Home / 19,258.48-28,883.60-11,247.92

Finding the Fourth Proportional to 19,258.48, 28,883.60 and 11,247.92

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Solution

The fourth proportional to 19,258.48, 28,883.60 and 11,247.92 is: 16,869.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,258.48 : 28,883.60 = 11,247.92 : x
  2. Step 2: Convert to fraction form
    19,258.48/28,883.60 = 11,247.92/x
  3. Step 3: Cross multiply
    19,258.48x = 28,883.60 × 11,247.92
  4. Step 4: Simplify right side
    19,258.48x = 324,880,422.11
  5. Step 5: Solve for x
    x = 324,880,422.11/19,258.48
  6. Step 6: Final answer
    x = 16,869.47

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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.