Home / 14,585.47-20,127.46-8,617.01

Finding the Fourth Proportional to 14,585.47, 20,127.46 and 8,617.01

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Solution

The fourth proportional to 14,585.47, 20,127.46 and 8,617.01 is: 11,891.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,585.47 : 20,127.46 = 8,617.01 : x
  2. Step 2: Convert to fraction form
    14,585.47/20,127.46 = 8,617.01/x
  3. Step 3: Cross multiply
    14,585.47x = 20,127.46 × 8,617.01
  4. Step 4: Simplify right side
    14,585.47x = 173,438,498.92
  5. Step 5: Solve for x
    x = 173,438,498.92/14,585.47
  6. Step 6: Final answer
    x = 11,891.19

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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.