Home / 19,876.68-27,429.80-10,924.76

Finding the Fourth Proportional to 19,876.68, 27,429.80 and 10,924.76

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Solution

The fourth proportional to 19,876.68, 27,429.80 and 10,924.76 is: 15,076.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,876.68 : 27,429.80 = 10,924.76 : x
  2. Step 2: Convert to fraction form
    19,876.68/27,429.80 = 10,924.76/x
  3. Step 3: Cross multiply
    19,876.68x = 27,429.80 × 10,924.76
  4. Step 4: Simplify right side
    19,876.68x = 299,663,981.85
  5. Step 5: Solve for x
    x = 299,663,981.85/19,876.68
  6. Step 6: Final answer
    x = 15,076.16

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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.