Home / 15,972.60-22,049.10-10,313.40

Finding the Fourth Proportional to 15,972.60, 22,049.10 and 10,313.40

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Solution

The fourth proportional to 15,972.60, 22,049.10 and 10,313.40 is: 14,236.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.60 : 22,049.10 = 10,313.40 : x
  2. Step 2: Convert to fraction form
    15,972.60/22,049.10 = 10,313.40/x
  3. Step 3: Cross multiply
    15,972.60x = 22,049.10 × 10,313.40
  4. Step 4: Simplify right side
    15,972.60x = 227,401,187.94
  5. Step 5: Solve for x
    x = 227,401,187.94/15,972.60
  6. Step 6: Final answer
    x = 14,236.96

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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.