Home / 14,652.40-21,979.64-5,887.32

Finding the Fourth Proportional to 14,652.40, 21,979.64 and 5,887.32

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Solution

The fourth proportional to 14,652.40, 21,979.64 and 5,887.32 is: 8,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652.40 : 21,979.64 = 5,887.32 : x
  2. Step 2: Convert to fraction form
    14,652.40/21,979.64 = 5,887.32/x
  3. Step 3: Cross multiply
    14,652.40x = 21,979.64 × 5,887.32
  4. Step 4: Simplify right side
    14,652.40x = 129,401,174.16
  5. Step 5: Solve for x
    x = 129,401,174.16/14,652.40
  6. Step 6: Final answer
    x = 8,831.40

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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.