Home / 17,643.05-24,347.70-9,686.01

Finding the Fourth Proportional to 17,643.05, 24,347.70 and 9,686.01

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Solution

The fourth proportional to 17,643.05, 24,347.70 and 9,686.01 is: 13,366.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,643.05 : 24,347.70 = 9,686.01 : x
  2. Step 2: Convert to fraction form
    17,643.05/24,347.70 = 9,686.01/x
  3. Step 3: Cross multiply
    17,643.05x = 24,347.70 × 9,686.01
  4. Step 4: Simplify right side
    17,643.05x = 235,832,065.68
  5. Step 5: Solve for x
    x = 235,832,065.68/17,643.05
  6. Step 6: Final answer
    x = 13,366.86

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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.