Home / 16,318.19-22,513.66-11,280.59

Finding the Fourth Proportional to 16,318.19, 22,513.66 and 11,280.59

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Solution

The fourth proportional to 16,318.19, 22,513.66 and 11,280.59 is: 15,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,318.19 : 22,513.66 = 11,280.59 : x
  2. Step 2: Convert to fraction form
    16,318.19/22,513.66 = 11,280.59/x
  3. Step 3: Cross multiply
    16,318.19x = 22,513.66 × 11,280.59
  4. Step 4: Simplify right side
    16,318.19x = 253,967,367.86
  5. Step 5: Solve for x
    x = 253,967,367.86/16,318.19
  6. Step 6: Final answer
    x = 15,563.45

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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.