Home / 15,178.32-22,669.20-15,078.96

Finding the Fourth Proportional to 15,178.32, 22,669.20 and 15,078.96

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Solution

The fourth proportional to 15,178.32, 22,669.20 and 15,078.96 is: 22,520.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178.32 : 22,669.20 = 15,078.96 : x
  2. Step 2: Convert to fraction form
    15,178.32/22,669.20 = 15,078.96/x
  3. Step 3: Cross multiply
    15,178.32x = 22,669.20 × 15,078.96
  4. Step 4: Simplify right side
    15,178.32x = 341,827,960.03
  5. Step 5: Solve for x
    x = 341,827,960.03/15,178.32
  6. Step 6: Final answer
    x = 22,520.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.