Home / 15,975.15-23,966.87-7,661.58

Finding the Fourth Proportional to 15,975.15, 23,966.87 and 7,661.58

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Solution

The fourth proportional to 15,975.15, 23,966.87 and 7,661.58 is: 11,494.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,975.15 : 23,966.87 = 7,661.58 : x
  2. Step 2: Convert to fraction form
    15,975.15/23,966.87 = 7,661.58/x
  3. Step 3: Cross multiply
    15,975.15x = 23,966.87 × 7,661.58
  4. Step 4: Simplify right side
    15,975.15x = 183,624,053.55
  5. Step 5: Solve for x
    x = 183,624,053.55/15,975.15
  6. Step 6: Final answer
    x = 11,494.36

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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.