Home / 17,820.32-24,550.23-12,432.92

Finding the Fourth Proportional to 17,820.32, 24,550.23 and 12,432.92

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Solution

The fourth proportional to 17,820.32, 24,550.23 and 12,432.92 is: 17,128.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,820.32 : 24,550.23 = 12,432.92 : x
  2. Step 2: Convert to fraction form
    17,820.32/24,550.23 = 12,432.92/x
  3. Step 3: Cross multiply
    17,820.32x = 24,550.23 × 12,432.92
  4. Step 4: Simplify right side
    17,820.32x = 305,231,045.57
  5. Step 5: Solve for x
    x = 305,231,045.57/17,820.32
  6. Step 6: Final answer
    x = 17,128.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.