Home / 19,503.72-26,899.83-16,819.38

Finding the Fourth Proportional to 19,503.72, 26,899.83 and 16,819.38

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Solution

The fourth proportional to 19,503.72, 26,899.83 and 16,819.38 is: 23,197.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,503.72 : 26,899.83 = 16,819.38 : x
  2. Step 2: Convert to fraction form
    19,503.72/26,899.83 = 16,819.38/x
  3. Step 3: Cross multiply
    19,503.72x = 26,899.83 × 16,819.38
  4. Step 4: Simplify right side
    19,503.72x = 452,438,462.71
  5. Step 5: Solve for x
    x = 452,438,462.71/19,503.72
  6. Step 6: Final answer
    x = 23,197.55

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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.