Home / 14,156.64-21,238.02-4,296.66

Finding the Fourth Proportional to 14,156.64, 21,238.02 and 4,296.66

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Solution

The fourth proportional to 14,156.64, 21,238.02 and 4,296.66 is: 6,445.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.64 : 21,238.02 = 4,296.66 : x
  2. Step 2: Convert to fraction form
    14,156.64/21,238.02 = 4,296.66/x
  3. Step 3: Cross multiply
    14,156.64x = 21,238.02 × 4,296.66
  4. Step 4: Simplify right side
    14,156.64x = 91,252,551.01
  5. Step 5: Solve for x
    x = 91,252,551.01/14,156.64
  6. Step 6: Final answer
    x = 6,445.92

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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.