Home / 17,564.80-26,346.30-12,643.24

Finding the Fourth Proportional to 17,564.80, 26,346.30 and 12,643.24

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Solution

The fourth proportional to 17,564.80, 26,346.30 and 12,643.24 is: 18,964.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,564.80 : 26,346.30 = 12,643.24 : x
  2. Step 2: Convert to fraction form
    17,564.80/26,346.30 = 12,643.24/x
  3. Step 3: Cross multiply
    17,564.80x = 26,346.30 × 12,643.24
  4. Step 4: Simplify right side
    17,564.80x = 333,102,594.01
  5. Step 5: Solve for x
    x = 333,102,594.01/17,564.80
  6. Step 6: Final answer
    x = 18,964.21

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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.