Home / 14,550.47-21,835.26-7,981.26

Finding the Fourth Proportional to 14,550.47, 21,835.26 and 7,981.26

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Solution

The fourth proportional to 14,550.47, 21,835.26 and 7,981.26 is: 11,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.47 : 21,835.26 = 7,981.26 : x
  2. Step 2: Convert to fraction form
    14,550.47/21,835.26 = 7,981.26/x
  3. Step 3: Cross multiply
    14,550.47x = 21,835.26 × 7,981.26
  4. Step 4: Simplify right side
    14,550.47x = 174,272,887.23
  5. Step 5: Solve for x
    x = 174,272,887.23/14,550.47
  6. Step 6: Final answer
    x = 11,977.14

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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.