Home / 16,425.68-22,668.36-9,715.22

Finding the Fourth Proportional to 16,425.68, 22,668.36 and 9,715.22

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Solution

The fourth proportional to 16,425.68, 22,668.36 and 9,715.22 is: 13,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,425.68 : 22,668.36 = 9,715.22 : x
  2. Step 2: Convert to fraction form
    16,425.68/22,668.36 = 9,715.22/x
  3. Step 3: Cross multiply
    16,425.68x = 22,668.36 × 9,715.22
  4. Step 4: Simplify right side
    16,425.68x = 220,228,104.44
  5. Step 5: Solve for x
    x = 220,228,104.44/16,425.68
  6. Step 6: Final answer
    x = 13,407.55

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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.