Home / 27,468.19-37,905.67-15,531.13

Finding the Fourth Proportional to 27,468.19, 37,905.67 and 15,531.13

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Solution

The fourth proportional to 27,468.19, 37,905.67 and 15,531.13 is: 21,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,468.19 : 37,905.67 = 15,531.13 : x
  2. Step 2: Convert to fraction form
    27,468.19/37,905.67 = 15,531.13/x
  3. Step 3: Cross multiply
    27,468.19x = 37,905.67 × 15,531.13
  4. Step 4: Simplify right side
    27,468.19x = 588,717,888.51
  5. Step 5: Solve for x
    x = 588,717,888.51/27,468.19
  6. Step 6: Final answer
    x = 21,432.72

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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.