Home / 23,899.85-32,982.45-13,290.20

Finding the Fourth Proportional to 23,899.85, 32,982.45 and 13,290.20

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Solution

The fourth proportional to 23,899.85, 32,982.45 and 13,290.20 is: 18,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,899.85 : 32,982.45 = 13,290.20 : x
  2. Step 2: Convert to fraction form
    23,899.85/32,982.45 = 13,290.20/x
  3. Step 3: Cross multiply
    23,899.85x = 32,982.45 × 13,290.20
  4. Step 4: Simplify right side
    23,899.85x = 438,343,356.99
  5. Step 5: Solve for x
    x = 438,343,356.99/23,899.85
  6. Step 6: Final answer
    x = 18,340.84

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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.