Home / 18,117.29-25,002.95-10,159.97

Finding the Fourth Proportional to 18,117.29, 25,002.95 and 10,159.97

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Solution

The fourth proportional to 18,117.29, 25,002.95 and 10,159.97 is: 14,021.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.29 : 25,002.95 = 10,159.97 : x
  2. Step 2: Convert to fraction form
    18,117.29/25,002.95 = 10,159.97/x
  3. Step 3: Cross multiply
    18,117.29x = 25,002.95 × 10,159.97
  4. Step 4: Simplify right side
    18,117.29x = 254,029,046.10
  5. Step 5: Solve for x
    x = 254,029,046.10/18,117.29
  6. Step 6: Final answer
    x = 14,021.36

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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.