Home / 16,478.88-22,743.84-10,512.40

Finding the Fourth Proportional to 16,478.88, 22,743.84 and 10,512.40

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Solution

The fourth proportional to 16,478.88, 22,743.84 and 10,512.40 is: 14,509.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,478.88 : 22,743.84 = 10,512.40 : x
  2. Step 2: Convert to fraction form
    16,478.88/22,743.84 = 10,512.40/x
  3. Step 3: Cross multiply
    16,478.88x = 22,743.84 × 10,512.40
  4. Step 4: Simplify right side
    16,478.88x = 239,092,343.62
  5. Step 5: Solve for x
    x = 239,092,343.62/16,478.88
  6. Step 6: Final answer
    x = 14,509.02

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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.