Home / 22,916.12-31,626.18-12,844.40

Finding the Fourth Proportional to 22,916.12, 31,626.18 and 12,844.40

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Solution

The fourth proportional to 22,916.12, 31,626.18 and 12,844.40 is: 17,726.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,916.12 : 31,626.18 = 12,844.40 : x
  2. Step 2: Convert to fraction form
    22,916.12/31,626.18 = 12,844.40/x
  3. Step 3: Cross multiply
    22,916.12x = 31,626.18 × 12,844.40
  4. Step 4: Simplify right side
    22,916.12x = 406,219,148.26
  5. Step 5: Solve for x
    x = 406,219,148.26/22,916.12
  6. Step 6: Final answer
    x = 17,726.35

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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.