Home / 17,011.64-25,499.88-12,320.04

Finding the Fourth Proportional to 17,011.64, 25,499.88 and 12,320.04

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Solution

The fourth proportional to 17,011.64, 25,499.88 and 12,320.04 is: 18,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,011.64 : 25,499.88 = 12,320.04 : x
  2. Step 2: Convert to fraction form
    17,011.64/25,499.88 = 12,320.04/x
  3. Step 3: Cross multiply
    17,011.64x = 25,499.88 × 12,320.04
  4. Step 4: Simplify right side
    17,011.64x = 314,159,541.60
  5. Step 5: Solve for x
    x = 314,159,541.60/17,011.64
  6. Step 6: Final answer
    x = 18,467.33

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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.