Home / 22,110.48-33,165.72-12,870

Finding the Fourth Proportional to 22,110.48, 33,165.72 and 12,870

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Solution

The fourth proportional to 22,110.48, 33,165.72 and 12,870 is: 19,305.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.48 : 33,165.72 = 12,870 : x
  2. Step 2: Convert to fraction form
    22,110.48/33,165.72 = 12,870/x
  3. Step 3: Cross multiply
    22,110.48x = 33,165.72 × 12,870
  4. Step 4: Simplify right side
    22,110.48x = 426,842,816.40
  5. Step 5: Solve for x
    x = 426,842,816.40/22,110.48
  6. Step 6: Final answer
    x = 19,305.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.