Home / 19,828.56-27,363.74-10,875.90

Finding the Fourth Proportional to 19,828.56, 27,363.74 and 10,875.90

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Solution

The fourth proportional to 19,828.56, 27,363.74 and 10,875.90 is: 15,008.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.56 : 27,363.74 = 10,875.90 : x
  2. Step 2: Convert to fraction form
    19,828.56/27,363.74 = 10,875.90/x
  3. Step 3: Cross multiply
    19,828.56x = 27,363.74 × 10,875.90
  4. Step 4: Simplify right side
    19,828.56x = 297,605,348.10
  5. Step 5: Solve for x
    x = 297,605,348.10/19,828.56
  6. Step 6: Final answer
    x = 15,008.92

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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.