Home / 22,817.24-31,487.84-12,881.24

Finding the Fourth Proportional to 22,817.24, 31,487.84 and 12,881.24

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Solution

The fourth proportional to 22,817.24, 31,487.84 and 12,881.24 is: 17,776.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,817.24 : 31,487.84 = 12,881.24 : x
  2. Step 2: Convert to fraction form
    22,817.24/31,487.84 = 12,881.24/x
  3. Step 3: Cross multiply
    22,817.24x = 31,487.84 × 12,881.24
  4. Step 4: Simplify right side
    22,817.24x = 405,602,424.12
  5. Step 5: Solve for x
    x = 405,602,424.12/22,817.24
  6. Step 6: Final answer
    x = 17,776.14

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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.