Home / 14,493.28-19,981.20-9,447.52

Finding the Fourth Proportional to 14,493.28, 19,981.20 and 9,447.52

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Solution

The fourth proportional to 14,493.28, 19,981.20 and 9,447.52 is: 13,024.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,493.28 : 19,981.20 = 9,447.52 : x
  2. Step 2: Convert to fraction form
    14,493.28/19,981.20 = 9,447.52/x
  3. Step 3: Cross multiply
    14,493.28x = 19,981.20 × 9,447.52
  4. Step 4: Simplify right side
    14,493.28x = 188,772,786.62
  5. Step 5: Solve for x
    x = 188,772,786.62/14,493.28
  6. Step 6: Final answer
    x = 13,024.85

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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.