Home / 23,478.92-32,401.66-12,869.22

Finding the Fourth Proportional to 23,478.92, 32,401.66 and 12,869.22

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Solution

The fourth proportional to 23,478.92, 32,401.66 and 12,869.22 is: 17,759.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,478.92 : 32,401.66 = 12,869.22 : x
  2. Step 2: Convert to fraction form
    23,478.92/32,401.66 = 12,869.22/x
  3. Step 3: Cross multiply
    23,478.92x = 32,401.66 × 12,869.22
  4. Step 4: Simplify right side
    23,478.92x = 416,984,090.91
  5. Step 5: Solve for x
    x = 416,984,090.91/23,478.92
  6. Step 6: Final answer
    x = 17,759.93

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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.