Home / 14,349.32-21,515.16-4,985.31

Finding the Fourth Proportional to 14,349.32, 21,515.16 and 4,985.31

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Solution

The fourth proportional to 14,349.32, 21,515.16 and 4,985.31 is: 7,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.32 : 21,515.16 = 4,985.31 : x
  2. Step 2: Convert to fraction form
    14,349.32/21,515.16 = 4,985.31/x
  3. Step 3: Cross multiply
    14,349.32x = 21,515.16 × 4,985.31
  4. Step 4: Simplify right side
    14,349.32x = 107,259,742.30
  5. Step 5: Solve for x
    x = 107,259,742.30/14,349.32
  6. Step 6: Final answer
    x = 7,474.90

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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.