Home / 23,278.53-32,125.10-12,668.88

Finding the Fourth Proportional to 23,278.53, 32,125.10 and 12,668.88

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Solution

The fourth proportional to 23,278.53, 32,125.10 and 12,668.88 is: 17,483.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.53 : 32,125.10 = 12,668.88 : x
  2. Step 2: Convert to fraction form
    23,278.53/32,125.10 = 12,668.88/x
  3. Step 3: Cross multiply
    23,278.53x = 32,125.10 × 12,668.88
  4. Step 4: Simplify right side
    23,278.53x = 406,988,973.54
  5. Step 5: Solve for x
    x = 406,988,973.54/23,278.53
  6. Step 6: Final answer
    x = 17,483.45

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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.