Home / 19,822.15-27,354.34-10,869.62

Finding the Fourth Proportional to 19,822.15, 27,354.34 and 10,869.62

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Solution

The fourth proportional to 19,822.15, 27,354.34 and 10,869.62 is: 14,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,822.15 : 27,354.34 = 10,869.62 : x
  2. Step 2: Convert to fraction form
    19,822.15/27,354.34 = 10,869.62/x
  3. Step 3: Cross multiply
    19,822.15x = 27,354.34 × 10,869.62
  4. Step 4: Simplify right side
    19,822.15x = 297,331,281.15
  5. Step 5: Solve for x
    x = 297,331,281.15/19,822.15
  6. Step 6: Final answer
    x = 14,999.95

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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.