Home / 17,855.90-24,641.68-9,898.88

Finding the Fourth Proportional to 17,855.90, 24,641.68 and 9,898.88

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Solution

The fourth proportional to 17,855.90, 24,641.68 and 9,898.88 is: 13,660.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855.90 : 24,641.68 = 9,898.88 : x
  2. Step 2: Convert to fraction form
    17,855.90/24,641.68 = 9,898.88/x
  3. Step 3: Cross multiply
    17,855.90x = 24,641.68 × 9,898.88
  4. Step 4: Simplify right side
    17,855.90x = 243,925,033.32
  5. Step 5: Solve for x
    x = 243,925,033.32/17,855.90
  6. Step 6: Final answer
    x = 13,660.75

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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.