Home / 17,867.72-26,806.02-5,387.46

Finding the Fourth Proportional to 17,867.72, 26,806.02 and 5,387.46

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Solution

The fourth proportional to 17,867.72, 26,806.02 and 5,387.46 is: 8,082.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,867.72 : 26,806.02 = 5,387.46 : x
  2. Step 2: Convert to fraction form
    17,867.72/26,806.02 = 5,387.46/x
  3. Step 3: Cross multiply
    17,867.72x = 26,806.02 × 5,387.46
  4. Step 4: Simplify right side
    17,867.72x = 144,416,360.51
  5. Step 5: Solve for x
    x = 144,416,360.51/17,867.72
  6. Step 6: Final answer
    x = 8,082.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.