Home / 19,747.47-27,250.74-11,250.06

Finding the Fourth Proportional to 19,747.47, 27,250.74 and 11,250.06

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Solution

The fourth proportional to 19,747.47, 27,250.74 and 11,250.06 is: 15,524.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,747.47 : 27,250.74 = 11,250.06 : x
  2. Step 2: Convert to fraction form
    19,747.47/27,250.74 = 11,250.06/x
  3. Step 3: Cross multiply
    19,747.47x = 27,250.74 × 11,250.06
  4. Step 4: Simplify right side
    19,747.47x = 306,572,460.04
  5. Step 5: Solve for x
    x = 306,572,460.04/19,747.47
  6. Step 6: Final answer
    x = 15,524.64

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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.