Home / 25,578.18-35,276.31-16,618.77

Finding the Fourth Proportional to 25,578.18, 35,276.31 and 16,618.77

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Solution

The fourth proportional to 25,578.18, 35,276.31 and 16,618.77 is: 22,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,578.18 : 35,276.31 = 16,618.77 : x
  2. Step 2: Convert to fraction form
    25,578.18/35,276.31 = 16,618.77/x
  3. Step 3: Cross multiply
    25,578.18x = 35,276.31 × 16,618.77
  4. Step 4: Simplify right side
    25,578.18x = 586,248,882.34
  5. Step 5: Solve for x
    x = 586,248,882.34/25,578.18
  6. Step 6: Final answer
    x = 22,919.88

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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.