Home / 20,552.32-30,831.68-6,698.08

Finding the Fourth Proportional to 20,552.32, 30,831.68 and 6,698.08

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Solution

The fourth proportional to 20,552.32, 30,831.68 and 6,698.08 is: 10,048.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.32 : 30,831.68 = 6,698.08 : x
  2. Step 2: Convert to fraction form
    20,552.32/30,831.68 = 6,698.08/x
  3. Step 3: Cross multiply
    20,552.32x = 30,831.68 × 6,698.08
  4. Step 4: Simplify right side
    20,552.32x = 206,513,059.17
  5. Step 5: Solve for x
    x = 206,513,059.17/20,552.32
  6. Step 6: Final answer
    x = 10,048.16

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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.