Home / 13,733.78-18,952.56-7,446.14

Finding the Fourth Proportional to 13,733.78, 18,952.56 and 7,446.14

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Solution

The fourth proportional to 13,733.78, 18,952.56 and 7,446.14 is: 10,275.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.78 : 18,952.56 = 7,446.14 : x
  2. Step 2: Convert to fraction form
    13,733.78/18,952.56 = 7,446.14/x
  3. Step 3: Cross multiply
    13,733.78x = 18,952.56 × 7,446.14
  4. Step 4: Simplify right side
    13,733.78x = 141,123,415.12
  5. Step 5: Solve for x
    x = 141,123,415.12/13,733.78
  6. Step 6: Final answer
    x = 10,275.64

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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.