Home / 15,215.60-22,823.45-4,685.56

Finding the Fourth Proportional to 15,215.60, 22,823.45 and 4,685.56

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Solution

The fourth proportional to 15,215.60, 22,823.45 and 4,685.56 is: 7,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,215.60 : 22,823.45 = 4,685.56 : x
  2. Step 2: Convert to fraction form
    15,215.60/22,823.45 = 4,685.56/x
  3. Step 3: Cross multiply
    15,215.60x = 22,823.45 × 4,685.56
  4. Step 4: Simplify right side
    15,215.60x = 106,940,644.38
  5. Step 5: Solve for x
    x = 106,940,644.38/15,215.60
  6. Step 6: Final answer
    x = 7,028.36

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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.