Home / 17,948.16-24,767.76-9,990.24

Finding the Fourth Proportional to 17,948.16, 24,767.76 and 9,990.24

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Solution

The fourth proportional to 17,948.16, 24,767.76 and 9,990.24 is: 13,786.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,948.16 : 24,767.76 = 9,990.24 : x
  2. Step 2: Convert to fraction form
    17,948.16/24,767.76 = 9,990.24/x
  3. Step 3: Cross multiply
    17,948.16x = 24,767.76 × 9,990.24
  4. Step 4: Simplify right side
    17,948.16x = 247,435,866.66
  5. Step 5: Solve for x
    x = 247,435,866.66/17,948.16
  6. Step 6: Final answer
    x = 13,786.14

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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.