Home / 19,318.43-26,633.26-16,515.91

Finding the Fourth Proportional to 19,318.43, 26,633.26 and 16,515.91

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Solution

The fourth proportional to 19,318.43, 26,633.26 and 16,515.91 is: 22,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.43 : 26,633.26 = 16,515.91 : x
  2. Step 2: Convert to fraction form
    19,318.43/26,633.26 = 16,515.91/x
  3. Step 3: Cross multiply
    19,318.43x = 26,633.26 × 16,515.91
  4. Step 4: Simplify right side
    19,318.43x = 439,872,525.17
  5. Step 5: Solve for x
    x = 439,872,525.17/19,318.43
  6. Step 6: Final answer
    x = 22,769.58

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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.