Home / 18,948.24-28,422.60-5,800.74

Finding the Fourth Proportional to 18,948.24, 28,422.60 and 5,800.74

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Solution

The fourth proportional to 18,948.24, 28,422.60 and 5,800.74 is: 8,701.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.24 : 28,422.60 = 5,800.74 : x
  2. Step 2: Convert to fraction form
    18,948.24/28,422.60 = 5,800.74/x
  3. Step 3: Cross multiply
    18,948.24x = 28,422.60 × 5,800.74
  4. Step 4: Simplify right side
    18,948.24x = 164,872,112.72
  5. Step 5: Solve for x
    x = 164,872,112.72/18,948.24
  6. Step 6: Final answer
    x = 8,701.18

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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.