Home / 22,864.81-31,553.44-12,795.62

Finding the Fourth Proportional to 22,864.81, 31,553.44 and 12,795.62

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Solution

The fourth proportional to 22,864.81, 31,553.44 and 12,795.62 is: 17,657.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,864.81 : 31,553.44 = 12,795.62 : x
  2. Step 2: Convert to fraction form
    22,864.81/31,553.44 = 12,795.62/x
  3. Step 3: Cross multiply
    22,864.81x = 31,553.44 × 12,795.62
  4. Step 4: Simplify right side
    22,864.81x = 403,745,827.93
  5. Step 5: Solve for x
    x = 403,745,827.93/22,864.81
  6. Step 6: Final answer
    x = 17,657.96

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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.