Home / 16,701.90-23,051.15-9,531.78

Finding the Fourth Proportional to 16,701.90, 23,051.15 and 9,531.78

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Solution

The fourth proportional to 16,701.90, 23,051.15 and 9,531.78 is: 13,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,701.90 : 23,051.15 = 9,531.78 : x
  2. Step 2: Convert to fraction form
    16,701.90/23,051.15 = 9,531.78/x
  3. Step 3: Cross multiply
    16,701.90x = 23,051.15 × 9,531.78
  4. Step 4: Simplify right side
    16,701.90x = 219,718,490.55
  5. Step 5: Solve for x
    x = 219,718,490.55/16,701.90
  6. Step 6: Final answer
    x = 13,155.30

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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.