Home / 38,018.97-57,019.98-10,995.39

Finding the Fourth Proportional to 38,018.97, 57,019.98 and 10,995.39

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Solution

The fourth proportional to 38,018.97, 57,019.98 and 10,995.39 is: 16,490.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,018.97 : 57,019.98 = 10,995.39 : x
  2. Step 2: Convert to fraction form
    38,018.97/57,019.98 = 10,995.39/x
  3. Step 3: Cross multiply
    38,018.97x = 57,019.98 × 10,995.39
  4. Step 4: Simplify right side
    38,018.97x = 626,956,959.12
  5. Step 5: Solve for x
    x = 626,956,959.12/38,018.97
  6. Step 6: Final answer
    x = 16,490.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.