Home / 15,475.46-21,356.97-8,761.37

Finding the Fourth Proportional to 15,475.46, 21,356.97 and 8,761.37

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Solution

The fourth proportional to 15,475.46, 21,356.97 and 8,761.37 is: 12,091.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475.46 : 21,356.97 = 8,761.37 : x
  2. Step 2: Convert to fraction form
    15,475.46/21,356.97 = 8,761.37/x
  3. Step 3: Cross multiply
    15,475.46x = 21,356.97 × 8,761.37
  4. Step 4: Simplify right side
    15,475.46x = 187,116,176.61
  5. Step 5: Solve for x
    x = 187,116,176.61/15,475.46
  6. Step 6: Final answer
    x = 12,091.16

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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.