Home / 14,877.66-20,531.19-8,590.04

Finding the Fourth Proportional to 14,877.66, 20,531.19 and 8,590.04

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Solution

The fourth proportional to 14,877.66, 20,531.19 and 8,590.04 is: 11,854.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,877.66 : 20,531.19 = 8,590.04 : x
  2. Step 2: Convert to fraction form
    14,877.66/20,531.19 = 8,590.04/x
  3. Step 3: Cross multiply
    14,877.66x = 20,531.19 × 8,590.04
  4. Step 4: Simplify right side
    14,877.66x = 176,363,640.69
  5. Step 5: Solve for x
    x = 176,363,640.69/14,877.66
  6. Step 6: Final answer
    x = 11,854.26

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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.