Home / 14,652.11-20,219.91-7,937.76

Finding the Fourth Proportional to 14,652.11, 20,219.91 and 7,937.76

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Solution

The fourth proportional to 14,652.11, 20,219.91 and 7,937.76 is: 10,954.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652.11 : 20,219.91 = 7,937.76 : x
  2. Step 2: Convert to fraction form
    14,652.11/20,219.91 = 7,937.76/x
  3. Step 3: Cross multiply
    14,652.11x = 20,219.91 × 7,937.76
  4. Step 4: Simplify right side
    14,652.11x = 160,500,838.86
  5. Step 5: Solve for x
    x = 160,500,838.86/14,652.11
  6. Step 6: Final answer
    x = 10,954.11

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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.