Home / 18,610.23-25,681.28-11,537.31

Finding the Fourth Proportional to 18,610.23, 25,681.28 and 11,537.31

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Solution

The fourth proportional to 18,610.23, 25,681.28 and 11,537.31 is: 15,920.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610.23 : 25,681.28 = 11,537.31 : x
  2. Step 2: Convert to fraction form
    18,610.23/25,681.28 = 11,537.31/x
  3. Step 3: Cross multiply
    18,610.23x = 25,681.28 × 11,537.31
  4. Step 4: Simplify right side
    18,610.23x = 296,292,830.87
  5. Step 5: Solve for x
    x = 296,292,830.87/18,610.23
  6. Step 6: Final answer
    x = 15,920.97

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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.