Home / 26,491.37-39,700.11-19,909.85

Finding the Fourth Proportional to 26,491.37, 39,700.11 and 19,909.85

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Solution

The fourth proportional to 26,491.37, 39,700.11 and 19,909.85 is: 29,837.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,491.37 : 39,700.11 = 19,909.85 : x
  2. Step 2: Convert to fraction form
    26,491.37/39,700.11 = 19,909.85/x
  3. Step 3: Cross multiply
    26,491.37x = 39,700.11 × 19,909.85
  4. Step 4: Simplify right side
    26,491.37x = 790,423,135.53
  5. Step 5: Solve for x
    x = 790,423,135.53/26,491.37
  6. Step 6: Final answer
    x = 29,837.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.