Home / 14,061.26-19,420.23-10,912.66

Finding the Fourth Proportional to 14,061.26, 19,420.23 and 10,912.66

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Solution

The fourth proportional to 14,061.26, 19,420.23 and 10,912.66 is: 15,071.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,061.26 : 19,420.23 = 10,912.66 : x
  2. Step 2: Convert to fraction form
    14,061.26/19,420.23 = 10,912.66/x
  3. Step 3: Cross multiply
    14,061.26x = 19,420.23 × 10,912.66
  4. Step 4: Simplify right side
    14,061.26x = 211,926,367.11
  5. Step 5: Solve for x
    x = 211,926,367.11/14,061.26
  6. Step 6: Final answer
    x = 15,071.65

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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.