Home / 19,150.19-26,423.33-11,190.87

Finding the Fourth Proportional to 19,150.19, 26,423.33 and 11,190.87

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Solution

The fourth proportional to 19,150.19, 26,423.33 and 11,190.87 is: 15,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150.19 : 26,423.33 = 11,190.87 : x
  2. Step 2: Convert to fraction form
    19,150.19/26,423.33 = 11,190.87/x
  3. Step 3: Cross multiply
    19,150.19x = 26,423.33 × 11,190.87
  4. Step 4: Simplify right side
    19,150.19x = 295,699,995.04
  5. Step 5: Solve for x
    x = 295,699,995.04/19,150.19
  6. Step 6: Final answer
    x = 15,441.10

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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.