Home / 14,758.04-22,141-6,438.72

Finding the Fourth Proportional to 14,758.04, 22,141 and 6,438.72

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Solution

The fourth proportional to 14,758.04, 22,141 and 6,438.72 is: 9,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,758.04 : 22,141 = 6,438.72 : x
  2. Step 2: Convert to fraction form
    14,758.04/22,141 = 6,438.72/x
  3. Step 3: Cross multiply
    14,758.04x = 22,141 × 6,438.72
  4. Step 4: Simplify right side
    14,758.04x = 142,559,699.52
  5. Step 5: Solve for x
    x = 142,559,699.52/14,758.04
  6. Step 6: Final answer
    x = 9,659.80

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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.