Home / 19,828.32-27,363.85-10,876.20

Finding the Fourth Proportional to 19,828.32, 27,363.85 and 10,876.20

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Solution

The fourth proportional to 19,828.32, 27,363.85 and 10,876.20 is: 15,009.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.32 : 27,363.85 = 10,876.20 : x
  2. Step 2: Convert to fraction form
    19,828.32/27,363.85 = 10,876.20/x
  3. Step 3: Cross multiply
    19,828.32x = 27,363.85 × 10,876.20
  4. Step 4: Simplify right side
    19,828.32x = 297,614,678.18
  5. Step 5: Solve for x
    x = 297,614,678.18/19,828.32
  6. Step 6: Final answer
    x = 15,009.58

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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.