Home / 17,885.40-26,831.70-6,196.20

Finding the Fourth Proportional to 17,885.40, 26,831.70 and 6,196.20

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Solution

The fourth proportional to 17,885.40, 26,831.70 and 6,196.20 is: 9,295.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,885.40 : 26,831.70 = 6,196.20 : x
  2. Step 2: Convert to fraction form
    17,885.40/26,831.70 = 6,196.20/x
  3. Step 3: Cross multiply
    17,885.40x = 26,831.70 × 6,196.20
  4. Step 4: Simplify right side
    17,885.40x = 166,254,579.54
  5. Step 5: Solve for x
    x = 166,254,579.54/17,885.40
  6. Step 6: Final answer
    x = 9,295.55

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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.