Home / 19,453.13-29,132.93-11,107.87

Finding the Fourth Proportional to 19,453.13, 29,132.93 and 11,107.87

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Solution

The fourth proportional to 19,453.13, 29,132.93 and 11,107.87 is: 16,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453.13 : 29,132.93 = 11,107.87 : x
  2. Step 2: Convert to fraction form
    19,453.13/29,132.93 = 11,107.87/x
  3. Step 3: Cross multiply
    19,453.13x = 29,132.93 × 11,107.87
  4. Step 4: Simplify right side
    19,453.13x = 323,604,754.10
  5. Step 5: Solve for x
    x = 323,604,754.10/19,453.13
  6. Step 6: Final answer
    x = 16,635.10

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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.