Home / 13,947.14-19,247.20-7,573.79

Finding the Fourth Proportional to 13,947.14, 19,247.20 and 7,573.79

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Solution

The fourth proportional to 13,947.14, 19,247.20 and 7,573.79 is: 10,451.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.14 : 19,247.20 = 7,573.79 : x
  2. Step 2: Convert to fraction form
    13,947.14/19,247.20 = 7,573.79/x
  3. Step 3: Cross multiply
    13,947.14x = 19,247.20 × 7,573.79
  4. Step 4: Simplify right side
    13,947.14x = 145,774,280.07
  5. Step 5: Solve for x
    x = 145,774,280.07/13,947.14
  6. Step 6: Final answer
    x = 10,451.91

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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.