Home / 19,258.12-28,887.23-5,218.24

Finding the Fourth Proportional to 19,258.12, 28,887.23 and 5,218.24

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Solution

The fourth proportional to 19,258.12, 28,887.23 and 5,218.24 is: 7,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,258.12 : 28,887.23 = 5,218.24 : x
  2. Step 2: Convert to fraction form
    19,258.12/28,887.23 = 5,218.24/x
  3. Step 3: Cross multiply
    19,258.12x = 28,887.23 × 5,218.24
  4. Step 4: Simplify right side
    19,258.12x = 150,740,499.08
  5. Step 5: Solve for x
    x = 150,740,499.08/19,258.12
  6. Step 6: Final answer
    x = 7,827.37

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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.