Home / 19,420.38-26,800.02-10,922.49

Finding the Fourth Proportional to 19,420.38, 26,800.02 and 10,922.49

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Solution

The fourth proportional to 19,420.38, 26,800.02 and 10,922.49 is: 15,072.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,420.38 : 26,800.02 = 10,922.49 : x
  2. Step 2: Convert to fraction form
    19,420.38/26,800.02 = 10,922.49/x
  3. Step 3: Cross multiply
    19,420.38x = 26,800.02 × 10,922.49
  4. Step 4: Simplify right side
    19,420.38x = 292,722,950.45
  5. Step 5: Solve for x
    x = 292,722,950.45/19,420.38
  6. Step 6: Final answer
    x = 15,072.98

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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.