Home / 25,126.22-34,667.10-16,178.90

Finding the Fourth Proportional to 25,126.22, 34,667.10 and 16,178.90

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Solution

The fourth proportional to 25,126.22, 34,667.10 and 16,178.90 is: 22,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,126.22 : 34,667.10 = 16,178.90 : x
  2. Step 2: Convert to fraction form
    25,126.22/34,667.10 = 16,178.90/x
  3. Step 3: Cross multiply
    25,126.22x = 34,667.10 × 16,178.90
  4. Step 4: Simplify right side
    25,126.22x = 560,875,370.85
  5. Step 5: Solve for x
    x = 560,875,370.85/25,126.22
  6. Step 6: Final answer
    x = 22,322.32

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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.