Home / 26,419.82-36,425.79-18,875.18

Finding the Fourth Proportional to 26,419.82, 36,425.79 and 18,875.18

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Solution

The fourth proportional to 26,419.82, 36,425.79 and 18,875.18 is: 26,023.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,419.82 : 36,425.79 = 18,875.18 : x
  2. Step 2: Convert to fraction form
    26,419.82/36,425.79 = 18,875.18/x
  3. Step 3: Cross multiply
    26,419.82x = 36,425.79 × 18,875.18
  4. Step 4: Simplify right side
    26,419.82x = 687,543,342.89
  5. Step 5: Solve for x
    x = 687,543,342.89/26,419.82
  6. Step 6: Final answer
    x = 26,023.77

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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.