Home / 14,558.52-21,837.80-9,659.40

Finding the Fourth Proportional to 14,558.52, 21,837.80 and 9,659.40

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Solution

The fourth proportional to 14,558.52, 21,837.80 and 9,659.40 is: 14,489.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558.52 : 21,837.80 = 9,659.40 : x
  2. Step 2: Convert to fraction form
    14,558.52/21,837.80 = 9,659.40/x
  3. Step 3: Cross multiply
    14,558.52x = 21,837.80 × 9,659.40
  4. Step 4: Simplify right side
    14,558.52x = 210,940,045.32
  5. Step 5: Solve for x
    x = 210,940,045.32/14,558.52
  6. Step 6: Final answer
    x = 14,489.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.