Home / 26,194.32-36,148.68-20,535.84

Finding the Fourth Proportional to 26,194.32, 36,148.68 and 20,535.84

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Solution

The fourth proportional to 26,194.32, 36,148.68 and 20,535.84 is: 28,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,194.32 : 36,148.68 = 20,535.84 : x
  2. Step 2: Convert to fraction form
    26,194.32/36,148.68 = 20,535.84/x
  3. Step 3: Cross multiply
    26,194.32x = 36,148.68 × 20,535.84
  4. Step 4: Simplify right side
    26,194.32x = 742,343,508.69
  5. Step 5: Solve for x
    x = 742,343,508.69/26,194.32
  6. Step 6: Final answer
    x = 28,339.87

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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.