Home / 18,437.47-25,443.72-10,053.97

Finding the Fourth Proportional to 18,437.47, 25,443.72 and 10,053.97

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Solution

The fourth proportional to 18,437.47, 25,443.72 and 10,053.97 is: 13,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.47 : 25,443.72 = 10,053.97 : x
  2. Step 2: Convert to fraction form
    18,437.47/25,443.72 = 10,053.97/x
  3. Step 3: Cross multiply
    18,437.47x = 25,443.72 × 10,053.97
  4. Step 4: Simplify right side
    18,437.47x = 255,810,397.57
  5. Step 5: Solve for x
    x = 255,810,397.57/18,437.47
  6. Step 6: Final answer
    x = 13,874.48

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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.