Home / 19,448.75-26,839.41-11,065.25

Finding the Fourth Proportional to 19,448.75, 26,839.41 and 11,065.25

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Solution

The fourth proportional to 19,448.75, 26,839.41 and 11,065.25 is: 15,270.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,448.75 : 26,839.41 = 11,065.25 : x
  2. Step 2: Convert to fraction form
    19,448.75/26,839.41 = 11,065.25/x
  3. Step 3: Cross multiply
    19,448.75x = 26,839.41 × 11,065.25
  4. Step 4: Simplify right side
    19,448.75x = 296,984,781.50
  5. Step 5: Solve for x
    x = 296,984,781.50/19,448.75
  6. Step 6: Final answer
    x = 15,270.12

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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.