Home / 25,776.25-35,570.62-15,166.57

Finding the Fourth Proportional to 25,776.25, 35,570.62 and 15,166.57

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Solution

The fourth proportional to 25,776.25, 35,570.62 and 15,166.57 is: 20,929.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,776.25 : 35,570.62 = 15,166.57 : x
  2. Step 2: Convert to fraction form
    25,776.25/35,570.62 = 15,166.57/x
  3. Step 3: Cross multiply
    25,776.25x = 35,570.62 × 15,166.57
  4. Step 4: Simplify right side
    25,776.25x = 539,484,298.17
  5. Step 5: Solve for x
    x = 539,484,298.17/25,776.25
  6. Step 6: Final answer
    x = 20,929.51

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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.