Home / 22,001.38-30,349.65-13,040.26

Finding the Fourth Proportional to 22,001.38, 30,349.65 and 13,040.26

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Solution

The fourth proportional to 22,001.38, 30,349.65 and 13,040.26 is: 17,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,001.38 : 30,349.65 = 13,040.26 : x
  2. Step 2: Convert to fraction form
    22,001.38/30,349.65 = 13,040.26/x
  3. Step 3: Cross multiply
    22,001.38x = 30,349.65 × 13,040.26
  4. Step 4: Simplify right side
    22,001.38x = 395,767,326.91
  5. Step 5: Solve for x
    x = 395,767,326.91/22,001.38
  6. Step 6: Final answer
    x = 17,988.30

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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.