Home / 18,923.01-28,229.76-17,580.57

Finding the Fourth Proportional to 18,923.01, 28,229.76 and 17,580.57

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Solution

The fourth proportional to 18,923.01, 28,229.76 and 17,580.57 is: 26,227.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923.01 : 28,229.76 = 17,580.57 : x
  2. Step 2: Convert to fraction form
    18,923.01/28,229.76 = 17,580.57/x
  3. Step 3: Cross multiply
    18,923.01x = 28,229.76 × 17,580.57
  4. Step 4: Simplify right side
    18,923.01x = 496,295,271.76
  5. Step 5: Solve for x
    x = 496,295,271.76/18,923.01
  6. Step 6: Final answer
    x = 26,227.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.