Home / 13,846.55-19,117.38-8,549.15

Finding the Fourth Proportional to 13,846.55, 19,117.38 and 8,549.15

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Solution

The fourth proportional to 13,846.55, 19,117.38 and 8,549.15 is: 11,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,846.55 : 19,117.38 = 8,549.15 : x
  2. Step 2: Convert to fraction form
    13,846.55/19,117.38 = 8,549.15/x
  3. Step 3: Cross multiply
    13,846.55x = 19,117.38 × 8,549.15
  4. Step 4: Simplify right side
    13,846.55x = 163,437,349.23
  5. Step 5: Solve for x
    x = 163,437,349.23/13,846.55
  6. Step 6: Final answer
    x = 11,803.47

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Half scale
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Double scale
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Similar ratio
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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.