Home / 13,231.08-18,259.11-7,262.96

Finding the Fourth Proportional to 13,231.08, 18,259.11 and 7,262.96

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Solution

The fourth proportional to 13,231.08, 18,259.11 and 7,262.96 is: 10,023.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.08 : 18,259.11 = 7,262.96 : x
  2. Step 2: Convert to fraction form
    13,231.08/18,259.11 = 7,262.96/x
  3. Step 3: Cross multiply
    13,231.08x = 18,259.11 × 7,262.96
  4. Step 4: Simplify right side
    13,231.08x = 132,615,094.27
  5. Step 5: Solve for x
    x = 132,615,094.27/13,231.08
  6. Step 6: Final answer
    x = 10,023.00

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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.