Home / 19,338.75-26,687.48-10,955.25

Finding the Fourth Proportional to 19,338.75, 26,687.48 and 10,955.25

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Solution

The fourth proportional to 19,338.75, 26,687.48 and 10,955.25 is: 15,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.75 : 26,687.48 = 10,955.25 : x
  2. Step 2: Convert to fraction form
    19,338.75/26,687.48 = 10,955.25/x
  3. Step 3: Cross multiply
    19,338.75x = 26,687.48 × 10,955.25
  4. Step 4: Simplify right side
    19,338.75x = 292,367,960.49
  5. Step 5: Solve for x
    x = 292,367,960.49/19,338.75
  6. Step 6: Final answer
    x = 15,118.25

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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.