Home / 25,775.76-35,569.94-15,166.08

Finding the Fourth Proportional to 25,775.76, 35,569.94 and 15,166.08

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Solution

The fourth proportional to 25,775.76, 35,569.94 and 15,166.08 is: 20,928.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,775.76 : 35,569.94 = 15,166.08 : x
  2. Step 2: Convert to fraction form
    25,775.76/35,569.94 = 15,166.08/x
  3. Step 3: Cross multiply
    25,775.76x = 35,569.94 × 15,166.08
  4. Step 4: Simplify right side
    25,775.76x = 539,456,555.64
  5. Step 5: Solve for x
    x = 539,456,555.64/25,775.76
  6. Step 6: Final answer
    x = 20,928.83

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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.