Home / 17,876.57-24,681.22-11,077.81

Finding the Fourth Proportional to 17,876.57, 24,681.22 and 11,077.81

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Solution

The fourth proportional to 17,876.57, 24,681.22 and 11,077.81 is: 15,294.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,876.57 : 24,681.22 = 11,077.81 : x
  2. Step 2: Convert to fraction form
    17,876.57/24,681.22 = 11,077.81/x
  3. Step 3: Cross multiply
    17,876.57x = 24,681.22 × 11,077.81
  4. Step 4: Simplify right side
    17,876.57x = 273,413,742.32
  5. Step 5: Solve for x
    x = 273,413,742.32/17,876.57
  6. Step 6: Final answer
    x = 15,294.53

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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.