Home / 13,966.07-19,274.36-7,679.66

Finding the Fourth Proportional to 13,966.07, 19,274.36 and 7,679.66

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Solution

The fourth proportional to 13,966.07, 19,274.36 and 7,679.66 is: 10,598.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.07 : 19,274.36 = 7,679.66 : x
  2. Step 2: Convert to fraction form
    13,966.07/19,274.36 = 7,679.66/x
  3. Step 3: Cross multiply
    13,966.07x = 19,274.36 × 7,679.66
  4. Step 4: Simplify right side
    13,966.07x = 148,020,396.75
  5. Step 5: Solve for x
    x = 148,020,396.75/13,966.07
  6. Step 6: Final answer
    x = 10,598.58

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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.