Home / 15,139.02-22,679.96-7,748.16

Finding the Fourth Proportional to 15,139.02, 22,679.96 and 7,748.16

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Solution

The fourth proportional to 15,139.02, 22,679.96 and 7,748.16 is: 11,607.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,139.02 : 22,679.96 = 7,748.16 : x
  2. Step 2: Convert to fraction form
    15,139.02/22,679.96 = 7,748.16/x
  3. Step 3: Cross multiply
    15,139.02x = 22,679.96 × 7,748.16
  4. Step 4: Simplify right side
    15,139.02x = 175,727,920.13
  5. Step 5: Solve for x
    x = 175,727,920.13/15,139.02
  6. Step 6: Final answer
    x = 11,607.62

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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.