Home / 15,122.34-22,650.71-7,314.75

Finding the Fourth Proportional to 15,122.34, 22,650.71 and 7,314.75

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Solution

The fourth proportional to 15,122.34, 22,650.71 and 7,314.75 is: 10,956.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,122.34 : 22,650.71 = 7,314.75 : x
  2. Step 2: Convert to fraction form
    15,122.34/22,650.71 = 7,314.75/x
  3. Step 3: Cross multiply
    15,122.34x = 22,650.71 × 7,314.75
  4. Step 4: Simplify right side
    15,122.34x = 165,684,244.40
  5. Step 5: Solve for x
    x = 165,684,244.40/15,122.34
  6. Step 6: Final answer
    x = 10,956.26

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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.