Home / 13,937.04-19,232.96-7,887.22

Finding the Fourth Proportional to 13,937.04, 19,232.96 and 7,887.22

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Solution

The fourth proportional to 13,937.04, 19,232.96 and 7,887.22 is: 10,884.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.04 : 19,232.96 = 7,887.22 : x
  2. Step 2: Convert to fraction form
    13,937.04/19,232.96 = 7,887.22/x
  3. Step 3: Cross multiply
    13,937.04x = 19,232.96 × 7,887.22
  4. Step 4: Simplify right side
    13,937.04x = 151,694,499.25
  5. Step 5: Solve for x
    x = 151,694,499.25/13,937.04
  6. Step 6: Final answer
    x = 10,884.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.