Home / 13,231.94-18,259.56-7,263.45

Finding the Fourth Proportional to 13,231.94, 18,259.56 and 7,263.45

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Solution

The fourth proportional to 13,231.94, 18,259.56 and 7,263.45 is: 10,023.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.94 : 18,259.56 = 7,263.45 : x
  2. Step 2: Convert to fraction form
    13,231.94/18,259.56 = 7,263.45/x
  3. Step 3: Cross multiply
    13,231.94x = 18,259.56 × 7,263.45
  4. Step 4: Simplify right side
    13,231.94x = 132,627,401.08
  5. Step 5: Solve for x
    x = 132,627,401.08/13,231.94
  6. Step 6: Final answer
    x = 10,023.28

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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.