Home / 16,292.24-22,486.80-9,920.94

Finding the Fourth Proportional to 16,292.24, 22,486.80 and 9,920.94

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Solution

The fourth proportional to 16,292.24, 22,486.80 and 9,920.94 is: 13,693.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,292.24 : 22,486.80 = 9,920.94 : x
  2. Step 2: Convert to fraction form
    16,292.24/22,486.80 = 9,920.94/x
  3. Step 3: Cross multiply
    16,292.24x = 22,486.80 × 9,920.94
  4. Step 4: Simplify right side
    16,292.24x = 223,090,193.59
  5. Step 5: Solve for x
    x = 223,090,193.59/16,292.24
  6. Step 6: Final answer
    x = 13,693.04

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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.