Home / 26,555.95-36,645.78-15,224.90

Finding the Fourth Proportional to 26,555.95, 36,645.78 and 15,224.90

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Solution

The fourth proportional to 26,555.95, 36,645.78 and 15,224.90 is: 21,009.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555.95 : 36,645.78 = 15,224.90 : x
  2. Step 2: Convert to fraction form
    26,555.95/36,645.78 = 15,224.90/x
  3. Step 3: Cross multiply
    26,555.95x = 36,645.78 × 15,224.90
  4. Step 4: Simplify right side
    26,555.95x = 557,928,209.79
  5. Step 5: Solve for x
    x = 557,928,209.79/26,555.95
  6. Step 6: Final answer
    x = 21,009.54

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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.