Home / 17,479.20-24,121.80-9,925.26

Finding the Fourth Proportional to 17,479.20, 24,121.80 and 9,925.26

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Solution

The fourth proportional to 17,479.20, 24,121.80 and 9,925.26 is: 13,697.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,479.20 : 24,121.80 = 9,925.26 : x
  2. Step 2: Convert to fraction form
    17,479.20/24,121.80 = 9,925.26/x
  3. Step 3: Cross multiply
    17,479.20x = 24,121.80 × 9,925.26
  4. Step 4: Simplify right side
    17,479.20x = 239,415,136.67
  5. Step 5: Solve for x
    x = 239,415,136.67/17,479.20
  6. Step 6: Final answer
    x = 13,697.14

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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.