Home / 18,140.22-25,032.13-10,180.91

Finding the Fourth Proportional to 18,140.22, 25,032.13 and 10,180.91

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Solution

The fourth proportional to 18,140.22, 25,032.13 and 10,180.91 is: 14,048.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.22 : 25,032.13 = 10,180.91 : x
  2. Step 2: Convert to fraction form
    18,140.22/25,032.13 = 10,180.91/x
  3. Step 3: Cross multiply
    18,140.22x = 25,032.13 × 10,180.91
  4. Step 4: Simplify right side
    18,140.22x = 254,849,862.64
  5. Step 5: Solve for x
    x = 254,849,862.64/18,140.22
  6. Step 6: Final answer
    x = 14,048.88

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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.