Home / 23,279.20-32,124.30-12,668.81

Finding the Fourth Proportional to 23,279.20, 32,124.30 and 12,668.81

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Solution

The fourth proportional to 23,279.20, 32,124.30 and 12,668.81 is: 17,482.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,279.20 : 32,124.30 = 12,668.81 : x
  2. Step 2: Convert to fraction form
    23,279.20/32,124.30 = 12,668.81/x
  3. Step 3: Cross multiply
    23,279.20x = 32,124.30 × 12,668.81
  4. Step 4: Simplify right side
    23,279.20x = 406,976,444.95
  5. Step 5: Solve for x
    x = 406,976,444.95/23,279.20
  6. Step 6: Final answer
    x = 17,482.41

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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.