Home / 22,487.34-31,035.27-13,055.91

Finding the Fourth Proportional to 22,487.34, 31,035.27 and 13,055.91

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Solution

The fourth proportional to 22,487.34, 31,035.27 and 13,055.91 is: 18,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,487.34 : 31,035.27 = 13,055.91 : x
  2. Step 2: Convert to fraction form
    22,487.34/31,035.27 = 13,055.91/x
  3. Step 3: Cross multiply
    22,487.34x = 31,035.27 × 13,055.91
  4. Step 4: Simplify right side
    22,487.34x = 405,193,551.08
  5. Step 5: Solve for x
    x = 405,193,551.08/22,487.34
  6. Step 6: Final answer
    x = 18,018.74

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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.