Home / 65,929.91-98,897.60-19,182.79

Finding the Fourth Proportional to 65,929.91, 98,897.60 and 19,182.79

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Solution

The fourth proportional to 65,929.91, 98,897.60 and 19,182.79 is: 28,774.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,929.91 : 98,897.60 = 19,182.79 : x
  2. Step 2: Convert to fraction form
    65,929.91/98,897.60 = 19,182.79/x
  3. Step 3: Cross multiply
    65,929.91x = 98,897.60 × 19,182.79
  4. Step 4: Simplify right side
    65,929.91x = 1,897,131,397.82
  5. Step 5: Solve for x
    x = 1,897,131,397.82/65,929.91
  6. Step 6: Final answer
    x = 28,774.97

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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.