Home / 18,559.47-27,819.77-7,463.55

Finding the Fourth Proportional to 18,559.47, 27,819.77 and 7,463.55

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Solution

The fourth proportional to 18,559.47, 27,819.77 and 7,463.55 is: 11,187.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.47 : 27,819.77 = 7,463.55 : x
  2. Step 2: Convert to fraction form
    18,559.47/27,819.77 = 7,463.55/x
  3. Step 3: Cross multiply
    18,559.47x = 27,819.77 × 7,463.55
  4. Step 4: Simplify right side
    18,559.47x = 207,634,207.07
  5. Step 5: Solve for x
    x = 207,634,207.07/18,559.47
  6. Step 6: Final answer
    x = 11,187.51

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1.5x scale

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.