Home / 13,926.12-19,217.70-7,957.41

Finding the Fourth Proportional to 13,926.12, 19,217.70 and 7,957.41

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Solution

The fourth proportional to 13,926.12, 19,217.70 and 7,957.41 is: 10,981.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.12 : 19,217.70 = 7,957.41 : x
  2. Step 2: Convert to fraction form
    13,926.12/19,217.70 = 7,957.41/x
  3. Step 3: Cross multiply
    13,926.12x = 19,217.70 × 7,957.41
  4. Step 4: Simplify right side
    13,926.12x = 152,923,118.16
  5. Step 5: Solve for x
    x = 152,923,118.16/13,926.12
  6. Step 6: Final answer
    x = 10,981.03

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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.