Home / 17,390.40-23,998.88-9,432.65

Finding the Fourth Proportional to 17,390.40, 23,998.88 and 9,432.65

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Solution

The fourth proportional to 17,390.40, 23,998.88 and 9,432.65 is: 13,017.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.40 : 23,998.88 = 9,432.65 : x
  2. Step 2: Convert to fraction form
    17,390.40/23,998.88 = 9,432.65/x
  3. Step 3: Cross multiply
    17,390.40x = 23,998.88 × 9,432.65
  4. Step 4: Simplify right side
    17,390.40x = 226,373,119.01
  5. Step 5: Solve for x
    x = 226,373,119.01/17,390.40
  6. Step 6: Final answer
    x = 13,017.13

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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.