Home / 18,791.04-25,928.49-11,240.46

Finding the Fourth Proportional to 18,791.04, 25,928.49 and 11,240.46

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Solution

The fourth proportional to 18,791.04, 25,928.49 and 11,240.46 is: 15,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,791.04 : 25,928.49 = 11,240.46 : x
  2. Step 2: Convert to fraction form
    18,791.04/25,928.49 = 11,240.46/x
  3. Step 3: Cross multiply
    18,791.04x = 25,928.49 × 11,240.46
  4. Step 4: Simplify right side
    18,791.04x = 291,448,154.71
  5. Step 5: Solve for x
    x = 291,448,154.71/18,791.04
  6. Step 6: Final answer
    x = 15,509.95

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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.