Home / 16,439.88-22,680.66-10,470.48

Finding the Fourth Proportional to 16,439.88, 22,680.66 and 10,470.48

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Solution

The fourth proportional to 16,439.88, 22,680.66 and 10,470.48 is: 14,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,439.88 : 22,680.66 = 10,470.48 : x
  2. Step 2: Convert to fraction form
    16,439.88/22,680.66 = 10,470.48/x
  3. Step 3: Cross multiply
    16,439.88x = 22,680.66 × 10,470.48
  4. Step 4: Simplify right side
    16,439.88x = 237,477,396.92
  5. Step 5: Solve for x
    x = 237,477,396.92/16,439.88
  6. Step 6: Final answer
    x = 14,445.20

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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.