Home / 28,134.02-38,806.65-18,046.49

Finding the Fourth Proportional to 28,134.02, 38,806.65 and 18,046.49

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Solution

The fourth proportional to 28,134.02, 38,806.65 and 18,046.49 is: 24,892.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134.02 : 38,806.65 = 18,046.49 : x
  2. Step 2: Convert to fraction form
    28,134.02/38,806.65 = 18,046.49/x
  3. Step 3: Cross multiply
    28,134.02x = 38,806.65 × 18,046.49
  4. Step 4: Simplify right side
    28,134.02x = 700,323,627.13
  5. Step 5: Solve for x
    x = 700,323,627.13/28,134.02
  6. Step 6: Final answer
    x = 24,892.41

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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.