Home / 16,189.61-22,341.57-9,019.84

Finding the Fourth Proportional to 16,189.61, 22,341.57 and 9,019.84

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Solution

The fourth proportional to 16,189.61, 22,341.57 and 9,019.84 is: 12,447.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,189.61 : 22,341.57 = 9,019.84 : x
  2. Step 2: Convert to fraction form
    16,189.61/22,341.57 = 9,019.84/x
  3. Step 3: Cross multiply
    16,189.61x = 22,341.57 × 9,019.84
  4. Step 4: Simplify right side
    16,189.61x = 201,517,342.57
  5. Step 5: Solve for x
    x = 201,517,342.57/16,189.61
  6. Step 6: Final answer
    x = 12,447.33

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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.