Home / 23,909.78-32,995.49-13,299.19

Finding the Fourth Proportional to 23,909.78, 32,995.49 and 13,299.19

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Solution

The fourth proportional to 23,909.78, 32,995.49 and 13,299.19 is: 18,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,909.78 : 32,995.49 = 13,299.19 : x
  2. Step 2: Convert to fraction form
    23,909.78/32,995.49 = 13,299.19/x
  3. Step 3: Cross multiply
    23,909.78x = 32,995.49 × 13,299.19
  4. Step 4: Simplify right side
    23,909.78x = 438,813,141.67
  5. Step 5: Solve for x
    x = 438,813,141.67/23,909.78
  6. Step 6: Final answer
    x = 18,352.87

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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.