Home / 13,947.71-19,247.99-7,574.37

Finding the Fourth Proportional to 13,947.71, 19,247.99 and 7,574.37

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Solution

The fourth proportional to 13,947.71, 19,247.99 and 7,574.37 is: 10,452.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.71 : 19,247.99 = 7,574.37 : x
  2. Step 2: Convert to fraction form
    13,947.71/19,247.99 = 7,574.37/x
  3. Step 3: Cross multiply
    13,947.71x = 19,247.99 × 7,574.37
  4. Step 4: Simplify right side
    13,947.71x = 145,791,354.76
  5. Step 5: Solve for x
    x = 145,791,354.76/13,947.71
  6. Step 6: Final answer
    x = 10,452.71

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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.