Home / 19,377.53-26,740.13-10,879.50

Finding the Fourth Proportional to 19,377.53, 26,740.13 and 10,879.50

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Solution

The fourth proportional to 19,377.53, 26,740.13 and 10,879.50 is: 15,013.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,377.53 : 26,740.13 = 10,879.50 : x
  2. Step 2: Convert to fraction form
    19,377.53/26,740.13 = 10,879.50/x
  3. Step 3: Cross multiply
    19,377.53x = 26,740.13 × 10,879.50
  4. Step 4: Simplify right side
    19,377.53x = 290,919,202.43
  5. Step 5: Solve for x
    x = 290,919,202.43/19,377.53
  6. Step 6: Final answer
    x = 15,013.22

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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.