Home / 22,679.10-31,297.68-12,607.16

Finding the Fourth Proportional to 22,679.10, 31,297.68 and 12,607.16

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Solution

The fourth proportional to 22,679.10, 31,297.68 and 12,607.16 is: 17,398.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.10 : 31,297.68 = 12,607.16 : x
  2. Step 2: Convert to fraction form
    22,679.10/31,297.68 = 12,607.16/x
  3. Step 3: Cross multiply
    22,679.10x = 31,297.68 × 12,607.16
  4. Step 4: Simplify right side
    22,679.10x = 394,574,702.90
  5. Step 5: Solve for x
    x = 394,574,702.90/22,679.10
  6. Step 6: Final answer
    x = 17,398.16

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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.