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Finding the Fourth Proportional to 14,853.41, 20,497.08 and 8,881.55

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Solution

The fourth proportional to 14,853.41, 20,497.08 and 8,881.55 is: 12,256.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,853.41 : 20,497.08 = 8,881.55 : x
  2. Step 2: Convert to fraction form
    14,853.41/20,497.08 = 8,881.55/x
  3. Step 3: Cross multiply
    14,853.41x = 20,497.08 × 8,881.55
  4. Step 4: Simplify right side
    14,853.41x = 182,045,840.87
  5. Step 5: Solve for x
    x = 182,045,840.87/14,853.41
  6. Step 6: Final answer
    x = 12,256.16

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Half scale
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Double scale
Find fourth proportional to 14,854.41, 20,498.46 and 8,882.55
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.