Home / 15,931.14-23,895.80-7,616.90

Finding the Fourth Proportional to 15,931.14, 23,895.80 and 7,616.90

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Solution

The fourth proportional to 15,931.14, 23,895.80 and 7,616.90 is: 11,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,931.14 : 23,895.80 = 7,616.90 : x
  2. Step 2: Convert to fraction form
    15,931.14/23,895.80 = 7,616.90/x
  3. Step 3: Cross multiply
    15,931.14x = 23,895.80 × 7,616.90
  4. Step 4: Simplify right side
    15,931.14x = 182,011,761.46
  5. Step 5: Solve for x
    x = 182,011,761.46/15,931.14
  6. Step 6: Final answer
    x = 11,424.91

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1.5x scale

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.