Home / 19,177.80-26,462.61-11,218.52

Finding the Fourth Proportional to 19,177.80, 26,462.61 and 11,218.52

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Solution

The fourth proportional to 19,177.80, 26,462.61 and 11,218.52 is: 15,479.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177.80 : 26,462.61 = 11,218.52 : x
  2. Step 2: Convert to fraction form
    19,177.80/26,462.61 = 11,218.52/x
  3. Step 3: Cross multiply
    19,177.80x = 26,462.61 × 11,218.52
  4. Step 4: Simplify right side
    19,177.80x = 296,871,319.54
  5. Step 5: Solve for x
    x = 296,871,319.54/19,177.80
  6. Step 6: Final answer
    x = 15,479.95

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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.