Home / 25,255.26-34,853.22-15,700.50

Finding the Fourth Proportional to 25,255.26, 34,853.22 and 15,700.50

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Solution

The fourth proportional to 25,255.26, 34,853.22 and 15,700.50 is: 21,667.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,255.26 : 34,853.22 = 15,700.50 : x
  2. Step 2: Convert to fraction form
    25,255.26/34,853.22 = 15,700.50/x
  3. Step 3: Cross multiply
    25,255.26x = 34,853.22 × 15,700.50
  4. Step 4: Simplify right side
    25,255.26x = 547,212,980.61
  5. Step 5: Solve for x
    x = 547,212,980.61/25,255.26
  6. Step 6: Final answer
    x = 21,667.29

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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.