Home / 26,202.32-36,159.72-20,543.84

Finding the Fourth Proportional to 26,202.32, 36,159.72 and 20,543.84

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Solution

The fourth proportional to 26,202.32, 36,159.72 and 20,543.84 is: 28,350.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,202.32 : 36,159.72 = 20,543.84 : x
  2. Step 2: Convert to fraction form
    26,202.32/36,159.72 = 20,543.84/x
  3. Step 3: Cross multiply
    26,202.32x = 36,159.72 × 20,543.84
  4. Step 4: Simplify right side
    26,202.32x = 742,859,502.12
  5. Step 5: Solve for x
    x = 742,859,502.12/26,202.32
  6. Step 6: Final answer
    x = 28,350.91

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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.