Home / 14,651.52-21,979.83-5,887.02

Finding the Fourth Proportional to 14,651.52, 21,979.83 and 5,887.02

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Solution

The fourth proportional to 14,651.52, 21,979.83 and 5,887.02 is: 8,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.52 : 21,979.83 = 5,887.02 : x
  2. Step 2: Convert to fraction form
    14,651.52/21,979.83 = 5,887.02/x
  3. Step 3: Cross multiply
    14,651.52x = 21,979.83 × 5,887.02
  4. Step 4: Simplify right side
    14,651.52x = 129,395,698.81
  5. Step 5: Solve for x
    x = 129,395,698.81/14,651.52
  6. Step 6: Final answer
    x = 8,831.55

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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.