Home / 12,238.36-18,357.54-10,074.04

Finding the Fourth Proportional to 12,238.36, 18,357.54 and 10,074.04

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Solution

The fourth proportional to 12,238.36, 18,357.54 and 10,074.04 is: 15,111.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238.36 : 18,357.54 = 10,074.04 : x
  2. Step 2: Convert to fraction form
    12,238.36/18,357.54 = 10,074.04/x
  3. Step 3: Cross multiply
    12,238.36x = 18,357.54 × 10,074.04
  4. Step 4: Simplify right side
    12,238.36x = 184,934,592.26
  5. Step 5: Solve for x
    x = 184,934,592.26/12,238.36
  6. Step 6: Final answer
    x = 15,111.06

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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.