Home / 15,731.74-21,693.72-14,366.08

Finding the Fourth Proportional to 15,731.74, 21,693.72 and 14,366.08

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Solution

The fourth proportional to 15,731.74, 21,693.72 and 14,366.08 is: 19,810.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,731.74 : 21,693.72 = 14,366.08 : x
  2. Step 2: Convert to fraction form
    15,731.74/21,693.72 = 14,366.08/x
  3. Step 3: Cross multiply
    15,731.74x = 21,693.72 × 14,366.08
  4. Step 4: Simplify right side
    15,731.74x = 311,653,717.02
  5. Step 5: Solve for x
    x = 311,653,717.02/15,731.74
  6. Step 6: Final answer
    x = 19,810.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.