Home / 15,102.79-22,660.56-7,602.46

Finding the Fourth Proportional to 15,102.79, 22,660.56 and 7,602.46

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Solution

The fourth proportional to 15,102.79, 22,660.56 and 7,602.46 is: 11,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,102.79 : 22,660.56 = 7,602.46 : x
  2. Step 2: Convert to fraction form
    15,102.79/22,660.56 = 7,602.46/x
  3. Step 3: Cross multiply
    15,102.79x = 22,660.56 × 7,602.46
  4. Step 4: Simplify right side
    15,102.79x = 172,275,944.33
  5. Step 5: Solve for x
    x = 172,275,944.33/15,102.79
  6. Step 6: Final answer
    x = 11,406.90

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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.