Home / 22,553.04-31,108.68-15,483.36

Finding the Fourth Proportional to 22,553.04, 31,108.68 and 15,483.36

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Solution

The fourth proportional to 22,553.04, 31,108.68 and 15,483.36 is: 21,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,553.04 : 31,108.68 = 15,483.36 : x
  2. Step 2: Convert to fraction form
    22,553.04/31,108.68 = 15,483.36/x
  3. Step 3: Cross multiply
    22,553.04x = 31,108.68 × 15,483.36
  4. Step 4: Simplify right side
    22,553.04x = 481,666,891.56
  5. Step 5: Solve for x
    x = 481,666,891.56/22,553.04
  6. Step 6: Final answer
    x = 21,357.07

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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.