Home / 22,933.85-31,649.79-13,370.28

Finding the Fourth Proportional to 22,933.85, 31,649.79 and 13,370.28

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Solution

The fourth proportional to 22,933.85, 31,649.79 and 13,370.28 is: 18,451.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,933.85 : 31,649.79 = 13,370.28 : x
  2. Step 2: Convert to fraction form
    22,933.85/31,649.79 = 13,370.28/x
  3. Step 3: Cross multiply
    22,933.85x = 31,649.79 × 13,370.28
  4. Step 4: Simplify right side
    22,933.85x = 423,166,554.24
  5. Step 5: Solve for x
    x = 423,166,554.24/22,933.85
  6. Step 6: Final answer
    x = 18,451.62

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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.