Home / 13,953.52-20,937.44-9,276.76

Finding the Fourth Proportional to 13,953.52, 20,937.44 and 9,276.76

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Solution

The fourth proportional to 13,953.52, 20,937.44 and 9,276.76 is: 13,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.52 : 20,937.44 = 9,276.76 : x
  2. Step 2: Convert to fraction form
    13,953.52/20,937.44 = 9,276.76/x
  3. Step 3: Cross multiply
    13,953.52x = 20,937.44 × 9,276.76
  4. Step 4: Simplify right side
    13,953.52x = 194,231,605.89
  5. Step 5: Solve for x
    x = 194,231,605.89/13,953.52
  6. Step 6: Final answer
    x = 13,919.90

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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.