Home / 22,908.09-34,375.35-12,378.14

Finding the Fourth Proportional to 22,908.09, 34,375.35 and 12,378.14

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Solution

The fourth proportional to 22,908.09, 34,375.35 and 12,378.14 is: 18,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,908.09 : 34,375.35 = 12,378.14 : x
  2. Step 2: Convert to fraction form
    22,908.09/34,375.35 = 12,378.14/x
  3. Step 3: Cross multiply
    22,908.09x = 34,375.35 × 12,378.14
  4. Step 4: Simplify right side
    22,908.09x = 425,502,894.85
  5. Step 5: Solve for x
    x = 425,502,894.85/22,908.09
  6. Step 6: Final answer
    x = 18,574.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.