Home / 15,176.77-22,765.05-12,574.24

Finding the Fourth Proportional to 15,176.77, 22,765.05 and 12,574.24

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Solution

The fourth proportional to 15,176.77, 22,765.05 and 12,574.24 is: 18,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,176.77 : 22,765.05 = 12,574.24 : x
  2. Step 2: Convert to fraction form
    15,176.77/22,765.05 = 12,574.24/x
  3. Step 3: Cross multiply
    15,176.77x = 22,765.05 × 12,574.24
  4. Step 4: Simplify right side
    15,176.77x = 286,253,145.40
  5. Step 5: Solve for x
    x = 286,253,145.40/15,176.77
  6. Step 6: Final answer
    x = 18,861.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.