Home / 13,194.17-18,207.54-7,225.68

Finding the Fourth Proportional to 13,194.17, 18,207.54 and 7,225.68

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Solution

The fourth proportional to 13,194.17, 18,207.54 and 7,225.68 is: 9,971.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.17 : 18,207.54 = 7,225.68 : x
  2. Step 2: Convert to fraction form
    13,194.17/18,207.54 = 7,225.68/x
  3. Step 3: Cross multiply
    13,194.17x = 18,207.54 × 7,225.68
  4. Step 4: Simplify right side
    13,194.17x = 131,561,857.63
  5. Step 5: Solve for x
    x = 131,561,857.63/13,194.17
  6. Step 6: Final answer
    x = 9,971.22

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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.