Home / 15,976.60-23,972.10-7,653.40

Finding the Fourth Proportional to 15,976.60, 23,972.10 and 7,653.40

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Solution

The fourth proportional to 15,976.60, 23,972.10 and 7,653.40 is: 11,483.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976.60 : 23,972.10 = 7,653.40 : x
  2. Step 2: Convert to fraction form
    15,976.60/23,972.10 = 7,653.40/x
  3. Step 3: Cross multiply
    15,976.60x = 23,972.10 × 7,653.40
  4. Step 4: Simplify right side
    15,976.60x = 183,468,070.14
  5. Step 5: Solve for x
    x = 183,468,070.14/15,976.60
  6. Step 6: Final answer
    x = 11,483.55

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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.