Home / 13,927.13-19,219.53-7,553.75

Finding the Fourth Proportional to 13,927.13, 19,219.53 and 7,553.75

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Solution

The fourth proportional to 13,927.13, 19,219.53 and 7,553.75 is: 10,424.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927.13 : 19,219.53 = 7,553.75 : x
  2. Step 2: Convert to fraction form
    13,927.13/19,219.53 = 7,553.75/x
  3. Step 3: Cross multiply
    13,927.13x = 19,219.53 × 7,553.75
  4. Step 4: Simplify right side
    13,927.13x = 145,179,524.74
  5. Step 5: Solve for x
    x = 145,179,524.74/13,927.13
  6. Step 6: Final answer
    x = 10,424.22

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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.