Home / 15,381.16-23,052.70-10,931.73

Finding the Fourth Proportional to 15,381.16, 23,052.70 and 10,931.73

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Solution

The fourth proportional to 15,381.16, 23,052.70 and 10,931.73 is: 16,384.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.16 : 23,052.70 = 10,931.73 : x
  2. Step 2: Convert to fraction form
    15,381.16/23,052.70 = 10,931.73/x
  3. Step 3: Cross multiply
    15,381.16x = 23,052.70 × 10,931.73
  4. Step 4: Simplify right side
    15,381.16x = 252,005,892.17
  5. Step 5: Solve for x
    x = 252,005,892.17/15,381.16
  6. Step 6: Final answer
    x = 16,384.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.