Home / 17,890.25-24,686.76-9,931.62

Finding the Fourth Proportional to 17,890.25, 24,686.76 and 9,931.62

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Solution

The fourth proportional to 17,890.25, 24,686.76 and 9,931.62 is: 13,704.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.25 : 24,686.76 = 9,931.62 : x
  2. Step 2: Convert to fraction form
    17,890.25/24,686.76 = 9,931.62/x
  3. Step 3: Cross multiply
    17,890.25x = 24,686.76 × 9,931.62
  4. Step 4: Simplify right side
    17,890.25x = 245,179,519.35
  5. Step 5: Solve for x
    x = 245,179,519.35/17,890.25
  6. Step 6: Final answer
    x = 13,704.64

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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.