Home / 25,739.93-35,531.92-15,671.98

Finding the Fourth Proportional to 25,739.93, 35,531.92 and 15,671.98

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Solution

The fourth proportional to 25,739.93, 35,531.92 and 15,671.98 is: 21,633.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,739.93 : 35,531.92 = 15,671.98 : x
  2. Step 2: Convert to fraction form
    25,739.93/35,531.92 = 15,671.98/x
  3. Step 3: Cross multiply
    25,739.93x = 35,531.92 × 15,671.98
  4. Step 4: Simplify right side
    25,739.93x = 556,855,515.45
  5. Step 5: Solve for x
    x = 556,855,515.45/25,739.93
  6. Step 6: Final answer
    x = 21,633.92

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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.