Home / 25,579.68-35,229.36-22,041.60

Finding the Fourth Proportional to 25,579.68, 35,229.36 and 22,041.60

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Solution

The fourth proportional to 25,579.68, 35,229.36 and 22,041.60 is: 30,356.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,579.68 : 35,229.36 = 22,041.60 : x
  2. Step 2: Convert to fraction form
    25,579.68/35,229.36 = 22,041.60/x
  3. Step 3: Cross multiply
    25,579.68x = 35,229.36 × 22,041.60
  4. Step 4: Simplify right side
    25,579.68x = 776,511,461.38
  5. Step 5: Solve for x
    x = 776,511,461.38/25,579.68
  6. Step 6: Final answer
    x = 30,356.57

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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.