Home / 19,387.30-29,053.08-11,050.12

Finding the Fourth Proportional to 19,387.30, 29,053.08 and 11,050.12

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Solution

The fourth proportional to 19,387.30, 29,053.08 and 11,050.12 is: 16,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.30 : 29,053.08 = 11,050.12 : x
  2. Step 2: Convert to fraction form
    19,387.30/29,053.08 = 11,050.12/x
  3. Step 3: Cross multiply
    19,387.30x = 29,053.08 × 11,050.12
  4. Step 4: Simplify right side
    19,387.30x = 321,040,056.69
  5. Step 5: Solve for x
    x = 321,040,056.69/19,387.30
  6. Step 6: Final answer
    x = 16,559.30

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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.