Home / 19,582.29-29,377.08-8,486.91

Finding the Fourth Proportional to 19,582.29, 29,377.08 and 8,486.91

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Solution

The fourth proportional to 19,582.29, 29,377.08 and 8,486.91 is: 12,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,582.29 : 29,377.08 = 8,486.91 : x
  2. Step 2: Convert to fraction form
    19,582.29/29,377.08 = 8,486.91/x
  3. Step 3: Cross multiply
    19,582.29x = 29,377.08 × 8,486.91
  4. Step 4: Simplify right side
    19,582.29x = 249,320,634.02
  5. Step 5: Solve for x
    x = 249,320,634.02/19,582.29
  6. Step 6: Final answer
    x = 12,731.94

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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.