Home / 19,822.45-27,354.97-10,870.10

Finding the Fourth Proportional to 19,822.45, 27,354.97 and 10,870.10

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Solution

The fourth proportional to 19,822.45, 27,354.97 and 10,870.10 is: 15,000.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,822.45 : 27,354.97 = 10,870.10 : x
  2. Step 2: Convert to fraction form
    19,822.45/27,354.97 = 10,870.10/x
  3. Step 3: Cross multiply
    19,822.45x = 27,354.97 × 10,870.10
  4. Step 4: Simplify right side
    19,822.45x = 297,351,259.40
  5. Step 5: Solve for x
    x = 297,351,259.40/19,822.45
  6. Step 6: Final answer
    x = 15,000.73

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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.