Home / 19,217.99-26,520.11-10,719.98

Finding the Fourth Proportional to 19,217.99, 26,520.11 and 10,719.98

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Solution

The fourth proportional to 19,217.99, 26,520.11 and 10,719.98 is: 14,793.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.99 : 26,520.11 = 10,719.98 : x
  2. Step 2: Convert to fraction form
    19,217.99/26,520.11 = 10,719.98/x
  3. Step 3: Cross multiply
    19,217.99x = 26,520.11 × 10,719.98
  4. Step 4: Simplify right side
    19,217.99x = 284,295,002.25
  5. Step 5: Solve for x
    x = 284,295,002.25/19,217.99
  6. Step 6: Final answer
    x = 14,793.17

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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.