Home / 19,458.43-26,828.45-16,229.70

Finding the Fourth Proportional to 19,458.43, 26,828.45 and 16,229.70

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Solution

The fourth proportional to 19,458.43, 26,828.45 and 16,229.70 is: 22,376.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.43 : 26,828.45 = 16,229.70 : x
  2. Step 2: Convert to fraction form
    19,458.43/26,828.45 = 16,229.70/x
  3. Step 3: Cross multiply
    19,458.43x = 26,828.45 × 16,229.70
  4. Step 4: Simplify right side
    19,458.43x = 435,417,856.33
  5. Step 5: Solve for x
    x = 435,417,856.33/19,458.43
  6. Step 6: Final answer
    x = 22,376.82

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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.