Home / 22,472.40-31,018.08-13,044

Finding the Fourth Proportional to 22,472.40, 31,018.08 and 13,044

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Solution

The fourth proportional to 22,472.40, 31,018.08 and 13,044 is: 18,004.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,472.40 : 31,018.08 = 13,044 : x
  2. Step 2: Convert to fraction form
    22,472.40/31,018.08 = 13,044/x
  3. Step 3: Cross multiply
    22,472.40x = 31,018.08 × 13,044
  4. Step 4: Simplify right side
    22,472.40x = 404,599,835.52
  5. Step 5: Solve for x
    x = 404,599,835.52/22,472.40
  6. Step 6: Final answer
    x = 18,004.30

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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.