Home / 14,862.84-20,510.60-8,148.89

Finding the Fourth Proportional to 14,862.84, 20,510.60 and 8,148.89

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Solution

The fourth proportional to 14,862.84, 20,510.60 and 8,148.89 is: 11,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.84 : 20,510.60 = 8,148.89 : x
  2. Step 2: Convert to fraction form
    14,862.84/20,510.60 = 8,148.89/x
  3. Step 3: Cross multiply
    14,862.84x = 20,510.60 × 8,148.89
  4. Step 4: Simplify right side
    14,862.84x = 167,138,479.94
  5. Step 5: Solve for x
    x = 167,138,479.94/14,862.84
  6. Step 6: Final answer
    x = 11,245.39

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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.