Home / 17,931.41-24,746.03-9,974.21

Finding the Fourth Proportional to 17,931.41, 24,746.03 and 9,974.21

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Solution

The fourth proportional to 17,931.41, 24,746.03 and 9,974.21 is: 13,764.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,931.41 : 24,746.03 = 9,974.21 : x
  2. Step 2: Convert to fraction form
    17,931.41/24,746.03 = 9,974.21/x
  3. Step 3: Cross multiply
    17,931.41x = 24,746.03 × 9,974.21
  4. Step 4: Simplify right side
    17,931.41x = 246,822,050.02
  5. Step 5: Solve for x
    x = 246,822,050.02/17,931.41
  6. Step 6: Final answer
    x = 13,764.79

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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.