Home / 26,802.82-36,989.61-15,474.39

Finding the Fourth Proportional to 26,802.82, 36,989.61 and 15,474.39

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Solution

The fourth proportional to 26,802.82, 36,989.61 and 15,474.39 is: 21,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,802.82 : 36,989.61 = 15,474.39 : x
  2. Step 2: Convert to fraction form
    26,802.82/36,989.61 = 15,474.39/x
  3. Step 3: Cross multiply
    26,802.82x = 36,989.61 × 15,474.39
  4. Step 4: Simplify right side
    26,802.82x = 572,391,749.46
  5. Step 5: Solve for x
    x = 572,391,749.46/26,802.82
  6. Step 6: Final answer
    x = 21,355.65

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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.