Home / 18,169.24-25,070.76-10,209.92

Finding the Fourth Proportional to 18,169.24, 25,070.76 and 10,209.92

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Solution

The fourth proportional to 18,169.24, 25,070.76 and 10,209.92 is: 14,088.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169.24 : 25,070.76 = 10,209.92 : x
  2. Step 2: Convert to fraction form
    18,169.24/25,070.76 = 10,209.92/x
  3. Step 3: Cross multiply
    18,169.24x = 25,070.76 × 10,209.92
  4. Step 4: Simplify right side
    18,169.24x = 255,970,453.94
  5. Step 5: Solve for x
    x = 255,970,453.94/18,169.24
  6. Step 6: Final answer
    x = 14,088.12

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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.