Home / 25,515.80-35,228.94-22,818.62

Finding the Fourth Proportional to 25,515.80, 35,228.94 and 22,818.62

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Solution

The fourth proportional to 25,515.80, 35,228.94 and 22,818.62 is: 31,505.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,515.80 : 35,228.94 = 22,818.62 : x
  2. Step 2: Convert to fraction form
    25,515.80/35,228.94 = 22,818.62/x
  3. Step 3: Cross multiply
    25,515.80x = 35,228.94 × 22,818.62
  4. Step 4: Simplify right side
    25,515.80x = 803,875,794.86
  5. Step 5: Solve for x
    x = 803,875,794.86/25,515.80
  6. Step 6: Final answer
    x = 31,505.02

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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.