Home / 19,150.04-26,423.21-11,190.71

Finding the Fourth Proportional to 19,150.04, 26,423.21 and 11,190.71

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Solution

The fourth proportional to 19,150.04, 26,423.21 and 11,190.71 is: 15,440.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150.04 : 26,423.21 = 11,190.71 : x
  2. Step 2: Convert to fraction form
    19,150.04/26,423.21 = 11,190.71/x
  3. Step 3: Cross multiply
    19,150.04x = 26,423.21 × 11,190.71
  4. Step 4: Simplify right side
    19,150.04x = 295,694,292.31
  5. Step 5: Solve for x
    x = 295,694,292.31/19,150.04
  6. Step 6: Final answer
    x = 15,440.93

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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.