Home / 17,927.72-24,740.85-9,861.71

Finding the Fourth Proportional to 17,927.72, 24,740.85 and 9,861.71

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Solution

The fourth proportional to 17,927.72, 24,740.85 and 9,861.71 is: 13,609.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,927.72 : 24,740.85 = 9,861.71 : x
  2. Step 2: Convert to fraction form
    17,927.72/24,740.85 = 9,861.71/x
  3. Step 3: Cross multiply
    17,927.72x = 24,740.85 × 9,861.71
  4. Step 4: Simplify right side
    17,927.72x = 243,987,038.54
  5. Step 5: Solve for x
    x = 243,987,038.54/17,927.72
  6. Step 6: Final answer
    x = 13,609.49

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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.