Home / 26,203.60-36,122.76-19,905.04

Finding the Fourth Proportional to 26,203.60, 36,122.76 and 19,905.04

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Solution

The fourth proportional to 26,203.60, 36,122.76 and 19,905.04 is: 27,439.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,203.60 : 36,122.76 = 19,905.04 : x
  2. Step 2: Convert to fraction form
    26,203.60/36,122.76 = 19,905.04/x
  3. Step 3: Cross multiply
    26,203.60x = 36,122.76 × 19,905.04
  4. Step 4: Simplify right side
    26,203.60x = 719,024,982.71
  5. Step 5: Solve for x
    x = 719,024,982.71/26,203.60
  6. Step 6: Final answer
    x = 27,439.93

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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.