Home / 19,929.52-27,502.77-10,977.04

Finding the Fourth Proportional to 19,929.52, 27,502.77 and 10,977.04

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Solution

The fourth proportional to 19,929.52, 27,502.77 and 10,977.04 is: 15,148.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.52 : 27,502.77 = 10,977.04 : x
  2. Step 2: Convert to fraction form
    19,929.52/27,502.77 = 10,977.04/x
  3. Step 3: Cross multiply
    19,929.52x = 27,502.77 × 10,977.04
  4. Step 4: Simplify right side
    19,929.52x = 301,899,006.40
  5. Step 5: Solve for x
    x = 301,899,006.40/19,929.52
  6. Step 6: Final answer
    x = 15,148.33

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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.