Home / 22,466.72-31,005.84-12,396.08

Finding the Fourth Proportional to 22,466.72, 31,005.84 and 12,396.08

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Solution

The fourth proportional to 22,466.72, 31,005.84 and 12,396.08 is: 17,107.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,466.72 : 31,005.84 = 12,396.08 : x
  2. Step 2: Convert to fraction form
    22,466.72/31,005.84 = 12,396.08/x
  3. Step 3: Cross multiply
    22,466.72x = 31,005.84 × 12,396.08
  4. Step 4: Simplify right side
    22,466.72x = 384,350,873.11
  5. Step 5: Solve for x
    x = 384,350,873.11/22,466.72
  6. Step 6: Final answer
    x = 17,107.57

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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.