Home / 19,876.95-27,429.69-10,801.91

Finding the Fourth Proportional to 19,876.95, 27,429.69 and 10,801.91

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Solution

The fourth proportional to 19,876.95, 27,429.69 and 10,801.91 is: 14,906.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,876.95 : 27,429.69 = 10,801.91 : x
  2. Step 2: Convert to fraction form
    19,876.95/27,429.69 = 10,801.91/x
  3. Step 3: Cross multiply
    19,876.95x = 27,429.69 × 10,801.91
  4. Step 4: Simplify right side
    19,876.95x = 296,293,042.71
  5. Step 5: Solve for x
    x = 296,293,042.71/19,876.95
  6. Step 6: Final answer
    x = 14,906.36

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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.