Home / 25,947.66-35,805.78-15,335.22

Finding the Fourth Proportional to 25,947.66, 35,805.78 and 15,335.22

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Solution

The fourth proportional to 25,947.66, 35,805.78 and 15,335.22 is: 21,161.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,947.66 : 35,805.78 = 15,335.22 : x
  2. Step 2: Convert to fraction form
    25,947.66/35,805.78 = 15,335.22/x
  3. Step 3: Cross multiply
    25,947.66x = 35,805.78 × 15,335.22
  4. Step 4: Simplify right side
    25,947.66x = 549,089,513.57
  5. Step 5: Solve for x
    x = 549,089,513.57/25,947.66
  6. Step 6: Final answer
    x = 21,161.43

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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.