Home / 13,242.25-19,863.38-4,924.36

Finding the Fourth Proportional to 13,242.25, 19,863.38 and 4,924.36

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Solution

The fourth proportional to 13,242.25, 19,863.38 and 4,924.36 is: 7,386.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.25 : 19,863.38 = 4,924.36 : x
  2. Step 2: Convert to fraction form
    13,242.25/19,863.38 = 4,924.36/x
  3. Step 3: Cross multiply
    13,242.25x = 19,863.38 × 4,924.36
  4. Step 4: Simplify right side
    13,242.25x = 97,814,409.32
  5. Step 5: Solve for x
    x = 97,814,409.32/13,242.25
  6. Step 6: Final answer
    x = 7,386.54

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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.