Home / 15,926.76-21,969.18-10,269

Finding the Fourth Proportional to 15,926.76, 21,969.18 and 10,269

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Solution

The fourth proportional to 15,926.76, 21,969.18 and 10,269 is: 14,164.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,926.76 : 21,969.18 = 10,269 : x
  2. Step 2: Convert to fraction form
    15,926.76/21,969.18 = 10,269/x
  3. Step 3: Cross multiply
    15,926.76x = 21,969.18 × 10,269
  4. Step 4: Simplify right side
    15,926.76x = 225,601,509.42
  5. Step 5: Solve for x
    x = 225,601,509.42/15,926.76
  6. Step 6: Final answer
    x = 14,164.93

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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.