Home / 15,275.44-23,017.22-12,562.86

Finding the Fourth Proportional to 15,275.44, 23,017.22 and 12,562.86

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Solution

The fourth proportional to 15,275.44, 23,017.22 and 12,562.86 is: 18,929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,275.44 : 23,017.22 = 12,562.86 : x
  2. Step 2: Convert to fraction form
    15,275.44/23,017.22 = 12,562.86/x
  3. Step 3: Cross multiply
    15,275.44x = 23,017.22 × 12,562.86
  4. Step 4: Simplify right side
    15,275.44x = 289,162,112.45
  5. Step 5: Solve for x
    x = 289,162,112.45/15,275.44
  6. Step 6: Final answer
    x = 18,929.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.