Home / 22,934.13-31,649.15-13,380.58

Finding the Fourth Proportional to 22,934.13, 31,649.15 and 13,380.58

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Solution

The fourth proportional to 22,934.13, 31,649.15 and 13,380.58 is: 18,465.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,934.13 : 31,649.15 = 13,380.58 : x
  2. Step 2: Convert to fraction form
    22,934.13/31,649.15 = 13,380.58/x
  3. Step 3: Cross multiply
    22,934.13x = 31,649.15 × 13,380.58
  4. Step 4: Simplify right side
    22,934.13x = 423,483,983.51
  5. Step 5: Solve for x
    x = 423,483,983.51/22,934.13
  6. Step 6: Final answer
    x = 18,465.23

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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.