Home / 15,254.03-22,872.28-8,129.50

Finding the Fourth Proportional to 15,254.03, 22,872.28 and 8,129.50

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Solution

The fourth proportional to 15,254.03, 22,872.28 and 8,129.50 is: 12,189.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,254.03 : 22,872.28 = 8,129.50 : x
  2. Step 2: Convert to fraction form
    15,254.03/22,872.28 = 8,129.50/x
  3. Step 3: Cross multiply
    15,254.03x = 22,872.28 × 8,129.50
  4. Step 4: Simplify right side
    15,254.03x = 185,940,085.90
  5. Step 5: Solve for x
    x = 185,940,085.90/15,254.03
  6. Step 6: Final answer
    x = 12,189.57

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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.