Home / 27,203.76-40,753.53-13,122.18

Finding the Fourth Proportional to 27,203.76, 40,753.53 and 13,122.18

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Solution

The fourth proportional to 27,203.76, 40,753.53 and 13,122.18 is: 19,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,203.76 : 40,753.53 = 13,122.18 : x
  2. Step 2: Convert to fraction form
    27,203.76/40,753.53 = 13,122.18/x
  3. Step 3: Cross multiply
    27,203.76x = 40,753.53 × 13,122.18
  4. Step 4: Simplify right side
    27,203.76x = 534,775,156.30
  5. Step 5: Solve for x
    x = 534,775,156.30/27,203.76
  6. Step 6: Final answer
    x = 19,658.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.