Home / 25,487.18-35,172.30-14,157.73

Finding the Fourth Proportional to 25,487.18, 35,172.30 and 14,157.73

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Solution

The fourth proportional to 25,487.18, 35,172.30 and 14,157.73 is: 19,537.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487.18 : 35,172.30 = 14,157.73 : x
  2. Step 2: Convert to fraction form
    25,487.18/35,172.30 = 14,157.73/x
  3. Step 3: Cross multiply
    25,487.18x = 35,172.30 × 14,157.73
  4. Step 4: Simplify right side
    25,487.18x = 497,959,785.86
  5. Step 5: Solve for x
    x = 497,959,785.86/25,487.18
  6. Step 6: Final answer
    x = 19,537.66

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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.