Home / 13,194.32-18,208.13-7,225.94

Finding the Fourth Proportional to 13,194.32, 18,208.13 and 7,225.94

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Solution

The fourth proportional to 13,194.32, 18,208.13 and 7,225.94 is: 9,971.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.32 : 18,208.13 = 7,225.94 : x
  2. Step 2: Convert to fraction form
    13,194.32/18,208.13 = 7,225.94/x
  3. Step 3: Cross multiply
    13,194.32x = 18,208.13 × 7,225.94
  4. Step 4: Simplify right side
    13,194.32x = 131,570,727.72
  5. Step 5: Solve for x
    x = 131,570,727.72/13,194.32
  6. Step 6: Final answer
    x = 9,971.77

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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.