Home / 15,655.20-23,475.12-7,748.58

Finding the Fourth Proportional to 15,655.20, 23,475.12 and 7,748.58

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Solution

The fourth proportional to 15,655.20, 23,475.12 and 7,748.58 is: 11,619.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655.20 : 23,475.12 = 7,748.58 : x
  2. Step 2: Convert to fraction form
    15,655.20/23,475.12 = 7,748.58/x
  3. Step 3: Cross multiply
    15,655.20x = 23,475.12 × 7,748.58
  4. Step 4: Simplify right side
    15,655.20x = 181,898,845.33
  5. Step 5: Solve for x
    x = 181,898,845.33/15,655.20
  6. Step 6: Final answer
    x = 11,619.07

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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.