Home / 15,286.14-21,094.68-8,573.46

Finding the Fourth Proportional to 15,286.14, 21,094.68 and 8,573.46

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Solution

The fourth proportional to 15,286.14, 21,094.68 and 8,573.46 is: 11,831.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,286.14 : 21,094.68 = 8,573.46 : x
  2. Step 2: Convert to fraction form
    15,286.14/21,094.68 = 8,573.46/x
  3. Step 3: Cross multiply
    15,286.14x = 21,094.68 × 8,573.46
  4. Step 4: Simplify right side
    15,286.14x = 180,854,395.19
  5. Step 5: Solve for x
    x = 180,854,395.19/15,286.14
  6. Step 6: Final answer
    x = 11,831.27

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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.