Home / 19,775.52-29,663.24-7,934.63

Finding the Fourth Proportional to 19,775.52, 29,663.24 and 7,934.63

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Solution

The fourth proportional to 19,775.52, 29,663.24 and 7,934.63 is: 11,901.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,775.52 : 29,663.24 = 7,934.63 : x
  2. Step 2: Convert to fraction form
    19,775.52/29,663.24 = 7,934.63/x
  3. Step 3: Cross multiply
    19,775.52x = 29,663.24 × 7,934.63
  4. Step 4: Simplify right side
    19,775.52x = 235,366,646.01
  5. Step 5: Solve for x
    x = 235,366,646.01/19,775.52
  6. Step 6: Final answer
    x = 11,901.92

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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.