Home / 13,960.25-19,265.15-7,672.63

Finding the Fourth Proportional to 13,960.25, 19,265.15 and 7,672.63

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Solution

The fourth proportional to 13,960.25, 19,265.15 and 7,672.63 is: 10,588.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.25 : 19,265.15 = 7,672.63 : x
  2. Step 2: Convert to fraction form
    13,960.25/19,265.15 = 7,672.63/x
  3. Step 3: Cross multiply
    13,960.25x = 19,265.15 × 7,672.63
  4. Step 4: Simplify right side
    13,960.25x = 147,814,233.16
  5. Step 5: Solve for x
    x = 147,814,233.16/13,960.25
  6. Step 6: Final answer
    x = 10,588.22

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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.