Home / 13,241.74-18,273.73-7,192.10

Finding the Fourth Proportional to 13,241.74, 18,273.73 and 7,192.10

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Solution

The fourth proportional to 13,241.74, 18,273.73 and 7,192.10 is: 9,925.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.74 : 18,273.73 = 7,192.10 : x
  2. Step 2: Convert to fraction form
    13,241.74/18,273.73 = 7,192.10/x
  3. Step 3: Cross multiply
    13,241.74x = 18,273.73 × 7,192.10
  4. Step 4: Simplify right side
    13,241.74x = 131,426,447.85
  5. Step 5: Solve for x
    x = 131,426,447.85/13,241.74
  6. Step 6: Final answer
    x = 9,925.17

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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.