Home / 23,278.76-32,125.08-12,668.56

Finding the Fourth Proportional to 23,278.76, 32,125.08 and 12,668.56

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Solution

The fourth proportional to 23,278.76, 32,125.08 and 12,668.56 is: 17,482.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.76 : 32,125.08 = 12,668.56 : x
  2. Step 2: Convert to fraction form
    23,278.76/32,125.08 = 12,668.56/x
  3. Step 3: Cross multiply
    23,278.76x = 32,125.08 × 12,668.56
  4. Step 4: Simplify right side
    23,278.76x = 406,978,503.48
  5. Step 5: Solve for x
    x = 406,978,503.48/23,278.76
  6. Step 6: Final answer
    x = 17,482.83

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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.