Home / 18,503.74-27,711.77-10,610.55

Finding the Fourth Proportional to 18,503.74, 27,711.77 and 10,610.55

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Solution

The fourth proportional to 18,503.74, 27,711.77 and 10,610.55 is: 15,890.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503.74 : 27,711.77 = 10,610.55 : x
  2. Step 2: Convert to fraction form
    18,503.74/27,711.77 = 10,610.55/x
  3. Step 3: Cross multiply
    18,503.74x = 27,711.77 × 10,610.55
  4. Step 4: Simplify right side
    18,503.74x = 294,037,091.68
  5. Step 5: Solve for x
    x = 294,037,091.68/18,503.74
  6. Step 6: Final answer
    x = 15,890.68

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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.