Home / 22,918.40-31,626.08-12,846.16

Finding the Fourth Proportional to 22,918.40, 31,626.08 and 12,846.16

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Solution

The fourth proportional to 22,918.40, 31,626.08 and 12,846.16 is: 17,726.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,918.40 : 31,626.08 = 12,846.16 : x
  2. Step 2: Convert to fraction form
    22,918.40/31,626.08 = 12,846.16/x
  3. Step 3: Cross multiply
    22,918.40x = 31,626.08 × 12,846.16
  4. Step 4: Simplify right side
    22,918.40x = 406,273,683.85
  5. Step 5: Solve for x
    x = 406,273,683.85/22,918.40
  6. Step 6: Final answer
    x = 17,726.97

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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.