Home / 17,887.60-24,689.70-11,169.16

Finding the Fourth Proportional to 17,887.60, 24,689.70 and 11,169.16

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Solution

The fourth proportional to 17,887.60, 24,689.70 and 11,169.16 is: 15,416.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,887.60 : 24,689.70 = 11,169.16 : x
  2. Step 2: Convert to fraction form
    17,887.60/24,689.70 = 11,169.16/x
  3. Step 3: Cross multiply
    17,887.60x = 24,689.70 × 11,169.16
  4. Step 4: Simplify right side
    17,887.60x = 275,763,209.65
  5. Step 5: Solve for x
    x = 275,763,209.65/17,887.60
  6. Step 6: Final answer
    x = 15,416.45

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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.