Home / 23,899.12-32,980.94-13,288.92

Finding the Fourth Proportional to 23,899.12, 32,980.94 and 13,288.92

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Solution

The fourth proportional to 23,899.12, 32,980.94 and 13,288.92 is: 18,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,899.12 : 32,980.94 = 13,288.92 : x
  2. Step 2: Convert to fraction form
    23,899.12/32,980.94 = 13,288.92/x
  3. Step 3: Cross multiply
    23,899.12x = 32,980.94 × 13,288.92
  4. Step 4: Simplify right side
    23,899.12x = 438,281,073.18
  5. Step 5: Solve for x
    x = 438,281,073.18/23,899.12
  6. Step 6: Final answer
    x = 18,338.80

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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.