Home / 15,981.36-23,960.68-6,112.32

Finding the Fourth Proportional to 15,981.36, 23,960.68 and 6,112.32

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Solution

The fourth proportional to 15,981.36, 23,960.68 and 6,112.32 is: 9,164.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.36 : 23,960.68 = 6,112.32 : x
  2. Step 2: Convert to fraction form
    15,981.36/23,960.68 = 6,112.32/x
  3. Step 3: Cross multiply
    15,981.36x = 23,960.68 × 6,112.32
  4. Step 4: Simplify right side
    15,981.36x = 146,455,343.58
  5. Step 5: Solve for x
    x = 146,455,343.58/15,981.36
  6. Step 6: Final answer
    x = 9,164.14

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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.