Home / 13,958.84-19,264.38-7,672.52

Finding the Fourth Proportional to 13,958.84, 19,264.38 and 7,672.52

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Solution

The fourth proportional to 13,958.84, 19,264.38 and 7,672.52 is: 10,588.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.84 : 19,264.38 = 7,672.52 : x
  2. Step 2: Convert to fraction form
    13,958.84/19,264.38 = 7,672.52/x
  3. Step 3: Cross multiply
    13,958.84x = 19,264.38 × 7,672.52
  4. Step 4: Simplify right side
    13,958.84x = 147,806,340.84
  5. Step 5: Solve for x
    x = 147,806,340.84/13,958.84
  6. Step 6: Final answer
    x = 10,588.73

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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.