Home / 19,216.96-26,520.07-11,150.01

Finding the Fourth Proportional to 19,216.96, 26,520.07 and 11,150.01

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Solution

The fourth proportional to 19,216.96, 26,520.07 and 11,150.01 is: 15,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.96 : 26,520.07 = 11,150.01 : x
  2. Step 2: Convert to fraction form
    19,216.96/26,520.07 = 11,150.01/x
  3. Step 3: Cross multiply
    19,216.96x = 26,520.07 × 11,150.01
  4. Step 4: Simplify right side
    19,216.96x = 295,699,045.70
  5. Step 5: Solve for x
    x = 295,699,045.70/19,216.96
  6. Step 6: Final answer
    x = 15,387.40

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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.