Home / 13,956.47-19,253.52-8,574.02

Finding the Fourth Proportional to 13,956.47, 19,253.52 and 8,574.02

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Solution

The fourth proportional to 13,956.47, 19,253.52 and 8,574.02 is: 11,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.47 : 19,253.52 = 8,574.02 : x
  2. Step 2: Convert to fraction form
    13,956.47/19,253.52 = 8,574.02/x
  3. Step 3: Cross multiply
    13,956.47x = 19,253.52 × 8,574.02
  4. Step 4: Simplify right side
    13,956.47x = 165,079,969.28
  5. Step 5: Solve for x
    x = 165,079,969.28/13,956.47
  6. Step 6: Final answer
    x = 11,828.21

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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.