Home / 22,744.04-31,386.40-12,673.20

Finding the Fourth Proportional to 22,744.04, 31,386.40 and 12,673.20

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Solution

The fourth proportional to 22,744.04, 31,386.40 and 12,673.20 is: 17,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,744.04 : 31,386.40 = 12,673.20 : x
  2. Step 2: Convert to fraction form
    22,744.04/31,386.40 = 12,673.20/x
  3. Step 3: Cross multiply
    22,744.04x = 31,386.40 × 12,673.20
  4. Step 4: Simplify right side
    22,744.04x = 397,766,124.48
  5. Step 5: Solve for x
    x = 397,766,124.48/22,744.04
  6. Step 6: Final answer
    x = 17,488.81

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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.