Home / 14,758.32-20,366.28-8,470.56

Finding the Fourth Proportional to 14,758.32, 20,366.28 and 8,470.56

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Solution

The fourth proportional to 14,758.32, 20,366.28 and 8,470.56 is: 11,689.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,758.32 : 20,366.28 = 8,470.56 : x
  2. Step 2: Convert to fraction form
    14,758.32/20,366.28 = 8,470.56/x
  3. Step 3: Cross multiply
    14,758.32x = 20,366.28 × 8,470.56
  4. Step 4: Simplify right side
    14,758.32x = 172,513,796.72
  5. Step 5: Solve for x
    x = 172,513,796.72/14,758.32
  6. Step 6: Final answer
    x = 11,689.26

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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.