Home / 13,155.24-19,729.95-3,793.18

Finding the Fourth Proportional to 13,155.24, 19,729.95 and 3,793.18

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Solution

The fourth proportional to 13,155.24, 19,729.95 and 3,793.18 is: 5,688.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155.24 : 19,729.95 = 3,793.18 : x
  2. Step 2: Convert to fraction form
    13,155.24/19,729.95 = 3,793.18/x
  3. Step 3: Cross multiply
    13,155.24x = 19,729.95 × 3,793.18
  4. Step 4: Simplify right side
    13,155.24x = 74,839,251.74
  5. Step 5: Solve for x
    x = 74,839,251.74/13,155.24
  6. Step 6: Final answer
    x = 5,688.93

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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.