Home / 33,258.18-45,897.36-18,917.64

Finding the Fourth Proportional to 33,258.18, 45,897.36 and 18,917.64

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Solution

The fourth proportional to 33,258.18, 45,897.36 and 18,917.64 is: 26,106.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,258.18 : 45,897.36 = 18,917.64 : x
  2. Step 2: Convert to fraction form
    33,258.18/45,897.36 = 18,917.64/x
  3. Step 3: Cross multiply
    33,258.18x = 45,897.36 × 18,917.64
  4. Step 4: Simplify right side
    33,258.18x = 868,269,638.84
  5. Step 5: Solve for x
    x = 868,269,638.84/33,258.18
  6. Step 6: Final answer
    x = 26,106.95

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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.