Home / 22,578.14-31,158.70-12,506.36

Finding the Fourth Proportional to 22,578.14, 31,158.70 and 12,506.36

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Solution

The fourth proportional to 22,578.14, 31,158.70 and 12,506.36 is: 17,259.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,578.14 : 31,158.70 = 12,506.36 : x
  2. Step 2: Convert to fraction form
    22,578.14/31,158.70 = 12,506.36/x
  3. Step 3: Cross multiply
    22,578.14x = 31,158.70 × 12,506.36
  4. Step 4: Simplify right side
    22,578.14x = 389,681,919.33
  5. Step 5: Solve for x
    x = 389,681,919.33/22,578.14
  6. Step 6: Final answer
    x = 17,259.26

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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.