Home / 13,204.48-18,222.08-7,236.04

Finding the Fourth Proportional to 13,204.48, 18,222.08 and 7,236.04

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Solution

The fourth proportional to 13,204.48, 18,222.08 and 7,236.04 is: 9,985.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.48 : 18,222.08 = 7,236.04 : x
  2. Step 2: Convert to fraction form
    13,204.48/18,222.08 = 7,236.04/x
  3. Step 3: Cross multiply
    13,204.48x = 18,222.08 × 7,236.04
  4. Step 4: Simplify right side
    13,204.48x = 131,855,699.76
  5. Step 5: Solve for x
    x = 131,855,699.76/13,204.48
  6. Step 6: Final answer
    x = 9,985.68

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Double scale
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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.