Home / 13,231.74-18,259.72-7,263.51

Finding the Fourth Proportional to 13,231.74, 18,259.72 and 7,263.51

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Solution

The fourth proportional to 13,231.74, 18,259.72 and 7,263.51 is: 10,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.74 : 18,259.72 = 7,263.51 : x
  2. Step 2: Convert to fraction form
    13,231.74/18,259.72 = 7,263.51/x
  3. Step 3: Cross multiply
    13,231.74x = 18,259.72 × 7,263.51
  4. Step 4: Simplify right side
    13,231.74x = 132,629,658.82
  5. Step 5: Solve for x
    x = 132,629,658.82/13,231.74
  6. Step 6: Final answer
    x = 10,023.60

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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.