Home / 13,968.91-19,277.10-7,681.27

Finding the Fourth Proportional to 13,968.91, 19,277.10 and 7,681.27

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Solution

The fourth proportional to 13,968.91, 19,277.10 and 7,681.27 is: 10,600.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.91 : 19,277.10 = 7,681.27 : x
  2. Step 2: Convert to fraction form
    13,968.91/19,277.10 = 7,681.27/x
  3. Step 3: Cross multiply
    13,968.91x = 19,277.10 × 7,681.27
  4. Step 4: Simplify right side
    13,968.91x = 148,072,609.92
  5. Step 5: Solve for x
    x = 148,072,609.92/13,968.91
  6. Step 6: Final answer
    x = 10,600.15

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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.