Home / 15,109.40-22,664.46-5,748.20

Finding the Fourth Proportional to 15,109.40, 22,664.46 and 5,748.20

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Solution

The fourth proportional to 15,109.40, 22,664.46 and 5,748.20 is: 8,622.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,109.40 : 22,664.46 = 5,748.20 : x
  2. Step 2: Convert to fraction form
    15,109.40/22,664.46 = 5,748.20/x
  3. Step 3: Cross multiply
    15,109.40x = 22,664.46 × 5,748.20
  4. Step 4: Simplify right side
    15,109.40x = 130,279,848.97
  5. Step 5: Solve for x
    x = 130,279,848.97/15,109.40
  6. Step 6: Final answer
    x = 8,622.44

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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.