Home / 19,105.20-26,425.08-16,897.20

Finding the Fourth Proportional to 19,105.20, 26,425.08 and 16,897.20

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Solution

The fourth proportional to 19,105.20, 26,425.08 and 16,897.20 is: 23,371.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,105.20 : 26,425.08 = 16,897.20 : x
  2. Step 2: Convert to fraction form
    19,105.20/26,425.08 = 16,897.20/x
  3. Step 3: Cross multiply
    19,105.20x = 26,425.08 × 16,897.20
  4. Step 4: Simplify right side
    19,105.20x = 446,509,861.78
  5. Step 5: Solve for x
    x = 446,509,861.78/19,105.20
  6. Step 6: Final answer
    x = 23,371.12

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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.