Home / 25,826.22-35,641.35-20,227.50

Finding the Fourth Proportional to 25,826.22, 35,641.35 and 20,227.50

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Solution

The fourth proportional to 25,826.22, 35,641.35 and 20,227.50 is: 27,914.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,826.22 : 35,641.35 = 20,227.50 : x
  2. Step 2: Convert to fraction form
    25,826.22/35,641.35 = 20,227.50/x
  3. Step 3: Cross multiply
    25,826.22x = 35,641.35 × 20,227.50
  4. Step 4: Simplify right side
    25,826.22x = 720,935,407.13
  5. Step 5: Solve for x
    x = 720,935,407.13/25,826.22
  6. Step 6: Final answer
    x = 27,914.86

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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.