Home / 13,947.21-19,247.09-7,573.75

Finding the Fourth Proportional to 13,947.21, 19,247.09 and 7,573.75

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Solution

The fourth proportional to 13,947.21, 19,247.09 and 7,573.75 is: 10,451.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.21 : 19,247.09 = 7,573.75 : x
  2. Step 2: Convert to fraction form
    13,947.21/19,247.09 = 7,573.75/x
  3. Step 3: Cross multiply
    13,947.21x = 19,247.09 × 7,573.75
  4. Step 4: Simplify right side
    13,947.21x = 145,772,696.01
  5. Step 5: Solve for x
    x = 145,772,696.01/13,947.21
  6. Step 6: Final answer
    x = 10,451.74

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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.