Home / 14,155.47-21,235.02-4,664.61

Finding the Fourth Proportional to 14,155.47, 21,235.02 and 4,664.61

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Solution

The fourth proportional to 14,155.47, 21,235.02 and 4,664.61 is: 6,997.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.47 : 21,235.02 = 4,664.61 : x
  2. Step 2: Convert to fraction form
    14,155.47/21,235.02 = 4,664.61/x
  3. Step 3: Cross multiply
    14,155.47x = 21,235.02 × 4,664.61
  4. Step 4: Simplify right side
    14,155.47x = 99,053,086.64
  5. Step 5: Solve for x
    x = 99,053,086.64/14,155.47
  6. Step 6: Final answer
    x = 6,997.51

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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.