Home / 17,931.74-24,747.64-9,975.92

Finding the Fourth Proportional to 17,931.74, 24,747.64 and 9,975.92

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Solution

The fourth proportional to 17,931.74, 24,747.64 and 9,975.92 is: 13,767.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,931.74 : 24,747.64 = 9,975.92 : x
  2. Step 2: Convert to fraction form
    17,931.74/24,747.64 = 9,975.92/x
  3. Step 3: Cross multiply
    17,931.74x = 24,747.64 × 9,975.92
  4. Step 4: Simplify right side
    17,931.74x = 246,880,328.15
  5. Step 5: Solve for x
    x = 246,880,328.15/17,931.74
  6. Step 6: Final answer
    x = 13,767.79

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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.