Home / 19,449.12-26,856.72-15,250.08

Finding the Fourth Proportional to 19,449.12, 26,856.72 and 15,250.08

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Solution

The fourth proportional to 19,449.12, 26,856.72 and 15,250.08 is: 21,058.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,449.12 : 26,856.72 = 15,250.08 : x
  2. Step 2: Convert to fraction form
    19,449.12/26,856.72 = 15,250.08/x
  3. Step 3: Cross multiply
    19,449.12x = 26,856.72 × 15,250.08
  4. Step 4: Simplify right side
    19,449.12x = 409,567,128.54
  5. Step 5: Solve for x
    x = 409,567,128.54/19,449.12
  6. Step 6: Final answer
    x = 21,058.39

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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.