Home / 14,490.15-21,730.60-7,467.99

Finding the Fourth Proportional to 14,490.15, 21,730.60 and 7,467.99

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Solution

The fourth proportional to 14,490.15, 21,730.60 and 7,467.99 is: 11,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490.15 : 21,730.60 = 7,467.99 : x
  2. Step 2: Convert to fraction form
    14,490.15/21,730.60 = 7,467.99/x
  3. Step 3: Cross multiply
    14,490.15x = 21,730.60 × 7,467.99
  4. Step 4: Simplify right side
    14,490.15x = 162,283,903.49
  5. Step 5: Solve for x
    x = 162,283,903.49/14,490.15
  6. Step 6: Final answer
    x = 11,199.60

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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.