Home / 12,253.48-18,404.52-10,497.81

Finding the Fourth Proportional to 12,253.48, 18,404.52 and 10,497.81

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Solution

The fourth proportional to 12,253.48, 18,404.52 and 10,497.81 is: 15,767.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.48 : 18,404.52 = 10,497.81 : x
  2. Step 2: Convert to fraction form
    12,253.48/18,404.52 = 10,497.81/x
  3. Step 3: Cross multiply
    12,253.48x = 18,404.52 × 10,497.81
  4. Step 4: Simplify right side
    12,253.48x = 193,207,154.10
  5. Step 5: Solve for x
    x = 193,207,154.10/12,253.48
  6. Step 6: Final answer
    x = 15,767.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.