Home / 17,839.70-24,618.81-9,881.76

Finding the Fourth Proportional to 17,839.70, 24,618.81 and 9,881.76

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Solution

The fourth proportional to 17,839.70, 24,618.81 and 9,881.76 is: 13,636.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,839.70 : 24,618.81 = 9,881.76 : x
  2. Step 2: Convert to fraction form
    17,839.70/24,618.81 = 9,881.76/x
  3. Step 3: Cross multiply
    17,839.70x = 24,618.81 × 9,881.76
  4. Step 4: Simplify right side
    17,839.70x = 243,277,171.91
  5. Step 5: Solve for x
    x = 243,277,171.91/17,839.70
  6. Step 6: Final answer
    x = 13,636.84

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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.