Home / 13,949.02-19,250.59-7,661.46

Finding the Fourth Proportional to 13,949.02, 19,250.59 and 7,661.46

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Solution

The fourth proportional to 13,949.02, 19,250.59 and 7,661.46 is: 10,573.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.02 : 19,250.59 = 7,661.46 : x
  2. Step 2: Convert to fraction form
    13,949.02/19,250.59 = 7,661.46/x
  3. Step 3: Cross multiply
    13,949.02x = 19,250.59 × 7,661.46
  4. Step 4: Simplify right side
    13,949.02x = 147,487,625.26
  5. Step 5: Solve for x
    x = 147,487,625.26/13,949.02
  6. Step 6: Final answer
    x = 10,573.33

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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.