Home / 14,219.52-19,622.97-7,932.30

Finding the Fourth Proportional to 14,219.52, 19,622.97 and 7,932.30

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Solution

The fourth proportional to 14,219.52, 19,622.97 and 7,932.30 is: 10,946.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.52 : 19,622.97 = 7,932.30 : x
  2. Step 2: Convert to fraction form
    14,219.52/19,622.97 = 7,932.30/x
  3. Step 3: Cross multiply
    14,219.52x = 19,622.97 × 7,932.30
  4. Step 4: Simplify right side
    14,219.52x = 155,655,284.93
  5. Step 5: Solve for x
    x = 155,655,284.93/14,219.52
  6. Step 6: Final answer
    x = 10,946.59

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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.