Home / 16,218.51-24,328.95-5,687.34

Finding the Fourth Proportional to 16,218.51, 24,328.95 and 5,687.34

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Solution

The fourth proportional to 16,218.51, 24,328.95 and 5,687.34 is: 8,531.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218.51 : 24,328.95 = 5,687.34 : x
  2. Step 2: Convert to fraction form
    16,218.51/24,328.95 = 5,687.34/x
  3. Step 3: Cross multiply
    16,218.51x = 24,328.95 × 5,687.34
  4. Step 4: Simplify right side
    16,218.51x = 138,367,010.49
  5. Step 5: Solve for x
    x = 138,367,010.49/16,218.51
  6. Step 6: Final answer
    x = 8,531.43

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1.5x scale

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.