Home / 23,291.13-32,140.89-12,680.49

Finding the Fourth Proportional to 23,291.13, 32,140.89 and 12,680.49

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Solution

The fourth proportional to 23,291.13, 32,140.89 and 12,680.49 is: 17,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,291.13 : 32,140.89 = 12,680.49 : x
  2. Step 2: Convert to fraction form
    23,291.13/32,140.89 = 12,680.49/x
  3. Step 3: Cross multiply
    23,291.13x = 32,140.89 × 12,680.49
  4. Step 4: Simplify right side
    23,291.13x = 407,562,234.24
  5. Step 5: Solve for x
    x = 407,562,234.24/23,291.13
  6. Step 6: Final answer
    x = 17,498.60

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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.