Home / 23,278.95-32,125.05-12,668.69

Finding the Fourth Proportional to 23,278.95, 32,125.05 and 12,668.69

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Solution

The fourth proportional to 23,278.95, 32,125.05 and 12,668.69 is: 17,482.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.95 : 32,125.05 = 12,668.69 : x
  2. Step 2: Convert to fraction form
    23,278.95/32,125.05 = 12,668.69/x
  3. Step 3: Cross multiply
    23,278.95x = 32,125.05 × 12,668.69
  4. Step 4: Simplify right side
    23,278.95x = 406,982,139.06
  5. Step 5: Solve for x
    x = 406,982,139.06/23,278.95
  6. Step 6: Final answer
    x = 17,482.84

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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.