Home / 14,582.56-21,879.69-7,186.84

Finding the Fourth Proportional to 14,582.56, 21,879.69 and 7,186.84

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Solution

The fourth proportional to 14,582.56, 21,879.69 and 7,186.84 is: 10,783.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,582.56 : 21,879.69 = 7,186.84 : x
  2. Step 2: Convert to fraction form
    14,582.56/21,879.69 = 7,186.84/x
  3. Step 3: Cross multiply
    14,582.56x = 21,879.69 × 7,186.84
  4. Step 4: Simplify right side
    14,582.56x = 157,245,831.28
  5. Step 5: Solve for x
    x = 157,245,831.28/14,582.56
  6. Step 6: Final answer
    x = 10,783.14

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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.