Home / 13,955.13-19,246.55-9,471.51

Finding the Fourth Proportional to 13,955.13, 19,246.55 and 9,471.51

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Solution

The fourth proportional to 13,955.13, 19,246.55 and 9,471.51 is: 13,062.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.13 : 19,246.55 = 9,471.51 : x
  2. Step 2: Convert to fraction form
    13,955.13/19,246.55 = 9,471.51/x
  3. Step 3: Cross multiply
    13,955.13x = 19,246.55 × 9,471.51
  4. Step 4: Simplify right side
    13,955.13x = 182,293,843.43
  5. Step 5: Solve for x
    x = 182,293,843.43/13,955.13
  6. Step 6: Final answer
    x = 13,062.86

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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.