Home / 27,186.85-37,517.90-15,250.15

Finding the Fourth Proportional to 27,186.85, 37,517.90 and 15,250.15

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Solution

The fourth proportional to 27,186.85, 37,517.90 and 15,250.15 is: 21,045.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,186.85 : 37,517.90 = 15,250.15 : x
  2. Step 2: Convert to fraction form
    27,186.85/37,517.90 = 15,250.15/x
  3. Step 3: Cross multiply
    27,186.85x = 37,517.90 × 15,250.15
  4. Step 4: Simplify right side
    27,186.85x = 572,153,526.43
  5. Step 5: Solve for x
    x = 572,153,526.43/27,186.85
  6. Step 6: Final answer
    x = 21,045.23

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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.