Home / 25,761.90-35,551.87-14,431.30

Finding the Fourth Proportional to 25,761.90, 35,551.87 and 14,431.30

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Solution

The fourth proportional to 25,761.90, 35,551.87 and 14,431.30 is: 19,915.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,761.90 : 35,551.87 = 14,431.30 : x
  2. Step 2: Convert to fraction form
    25,761.90/35,551.87 = 14,431.30/x
  3. Step 3: Cross multiply
    25,761.90x = 35,551.87 × 14,431.30
  4. Step 4: Simplify right side
    25,761.90x = 513,059,701.53
  5. Step 5: Solve for x
    x = 513,059,701.53/25,761.90
  6. Step 6: Final answer
    x = 19,915.44

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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.