Home / 15,788.66-23,696.75-6,433.76

Finding the Fourth Proportional to 15,788.66, 23,696.75 and 6,433.76

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Solution

The fourth proportional to 15,788.66, 23,696.75 and 6,433.76 is: 9,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788.66 : 23,696.75 = 6,433.76 : x
  2. Step 2: Convert to fraction form
    15,788.66/23,696.75 = 6,433.76/x
  3. Step 3: Cross multiply
    15,788.66x = 23,696.75 × 6,433.76
  4. Step 4: Simplify right side
    15,788.66x = 152,459,277.61
  5. Step 5: Solve for x
    x = 152,459,277.61/15,788.66
  6. Step 6: Final answer
    x = 9,656.25

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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.