Home / 14,913.40-22,372.92-4,918.72

Finding the Fourth Proportional to 14,913.40, 22,372.92 and 4,918.72

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Solution

The fourth proportional to 14,913.40, 22,372.92 and 4,918.72 is: 7,379.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913.40 : 22,372.92 = 4,918.72 : x
  2. Step 2: Convert to fraction form
    14,913.40/22,372.92 = 4,918.72/x
  3. Step 3: Cross multiply
    14,913.40x = 22,372.92 × 4,918.72
  4. Step 4: Simplify right side
    14,913.40x = 110,046,129.06
  5. Step 5: Solve for x
    x = 110,046,129.06/14,913.40
  6. Step 6: Final answer
    x = 7,379.01

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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.