Home / 14,390.06-21,588.80-5,622.08

Finding the Fourth Proportional to 14,390.06, 21,588.80 and 5,622.08

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Solution

The fourth proportional to 14,390.06, 21,588.80 and 5,622.08 is: 8,434.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.06 : 21,588.80 = 5,622.08 : x
  2. Step 2: Convert to fraction form
    14,390.06/21,588.80 = 5,622.08/x
  3. Step 3: Cross multiply
    14,390.06x = 21,588.80 × 5,622.08
  4. Step 4: Simplify right side
    14,390.06x = 121,373,824.65
  5. Step 5: Solve for x
    x = 121,373,824.65/14,390.06
  6. Step 6: Final answer
    x = 8,434.56

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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.