Home / 15,806.84-23,711.48-4,712.66

Finding the Fourth Proportional to 15,806.84, 23,711.48 and 4,712.66

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Solution

The fourth proportional to 15,806.84, 23,711.48 and 4,712.66 is: 7,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,806.84 : 23,711.48 = 4,712.66 : x
  2. Step 2: Convert to fraction form
    15,806.84/23,711.48 = 4,712.66/x
  3. Step 3: Cross multiply
    15,806.84x = 23,711.48 × 4,712.66
  4. Step 4: Simplify right side
    15,806.84x = 111,744,119.77
  5. Step 5: Solve for x
    x = 111,744,119.77/15,806.84
  6. Step 6: Final answer
    x = 7,069.35

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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.