Home / 25,343.12-34,972.48-14,731.92

Finding the Fourth Proportional to 25,343.12, 34,972.48 and 14,731.92

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Solution

The fourth proportional to 25,343.12, 34,972.48 and 14,731.92 is: 20,329.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,343.12 : 34,972.48 = 14,731.92 : x
  2. Step 2: Convert to fraction form
    25,343.12/34,972.48 = 14,731.92/x
  3. Step 3: Cross multiply
    25,343.12x = 34,972.48 × 14,731.92
  4. Step 4: Simplify right side
    25,343.12x = 515,211,777.56
  5. Step 5: Solve for x
    x = 515,211,777.56/25,343.12
  6. Step 6: Final answer
    x = 20,329.45

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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.