Home / 27,442.90-37,871.38-14,867.64

Finding the Fourth Proportional to 27,442.90, 37,871.38 and 14,867.64

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Solution

The fourth proportional to 27,442.90, 37,871.38 and 14,867.64 is: 20,517.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,442.90 : 37,871.38 = 14,867.64 : x
  2. Step 2: Convert to fraction form
    27,442.90/37,871.38 = 14,867.64/x
  3. Step 3: Cross multiply
    27,442.90x = 37,871.38 × 14,867.64
  4. Step 4: Simplify right side
    27,442.90x = 563,058,044.14
  5. Step 5: Solve for x
    x = 563,058,044.14/27,442.90
  6. Step 6: Final answer
    x = 20,517.44

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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.