Home / 17,781.09-24,538.49-9,823.75

Finding the Fourth Proportional to 17,781.09, 24,538.49 and 9,823.75

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Solution

The fourth proportional to 17,781.09, 24,538.49 and 9,823.75 is: 13,557.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,781.09 : 24,538.49 = 9,823.75 : x
  2. Step 2: Convert to fraction form
    17,781.09/24,538.49 = 9,823.75/x
  3. Step 3: Cross multiply
    17,781.09x = 24,538.49 × 9,823.75
  4. Step 4: Simplify right side
    17,781.09x = 241,059,972.77
  5. Step 5: Solve for x
    x = 241,059,972.77/17,781.09
  6. Step 6: Final answer
    x = 13,557.10

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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.