Home / 15,811.83-23,715.45-4,718.07

Finding the Fourth Proportional to 15,811.83, 23,715.45 and 4,718.07

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Solution

The fourth proportional to 15,811.83, 23,715.45 and 4,718.07 is: 7,076.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,811.83 : 23,715.45 = 4,718.07 : x
  2. Step 2: Convert to fraction form
    15,811.83/23,715.45 = 4,718.07/x
  3. Step 3: Cross multiply
    15,811.83x = 23,715.45 × 4,718.07
  4. Step 4: Simplify right side
    15,811.83x = 111,891,153.18
  5. Step 5: Solve for x
    x = 111,891,153.18/15,811.83
  6. Step 6: Final answer
    x = 7,076.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.