Home / 15,983.04-23,975.64-7,664.88

Finding the Fourth Proportional to 15,983.04, 23,975.64 and 7,664.88

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Solution

The fourth proportional to 15,983.04, 23,975.64 and 7,664.88 is: 11,497.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.04 : 23,975.64 = 7,664.88 : x
  2. Step 2: Convert to fraction form
    15,983.04/23,975.64 = 7,664.88/x
  3. Step 3: Cross multiply
    15,983.04x = 23,975.64 × 7,664.88
  4. Step 4: Simplify right side
    15,983.04x = 183,770,403.52
  5. Step 5: Solve for x
    x = 183,770,403.52/15,983.04
  6. Step 6: Final answer
    x = 11,497.84

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1.5x scale

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.