Home / 15,808.14-23,713.79-4,712.87

Finding the Fourth Proportional to 15,808.14, 23,713.79 and 4,712.87

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Solution

The fourth proportional to 15,808.14, 23,713.79 and 4,712.87 is: 7,069.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,808.14 : 23,713.79 = 4,712.87 : x
  2. Step 2: Convert to fraction form
    15,808.14/23,713.79 = 4,712.87/x
  3. Step 3: Cross multiply
    15,808.14x = 23,713.79 × 4,712.87
  4. Step 4: Simplify right side
    15,808.14x = 111,759,867.34
  5. Step 5: Solve for x
    x = 111,759,867.34/15,808.14
  6. Step 6: Final answer
    x = 7,069.77

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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.