Home / 14,310.28-19,642.85-12,703.24

Finding the Fourth Proportional to 14,310.28, 19,642.85 and 12,703.24

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Solution

The fourth proportional to 14,310.28, 19,642.85 and 12,703.24 is: 17,436.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.28 : 19,642.85 = 12,703.24 : x
  2. Step 2: Convert to fraction form
    14,310.28/19,642.85 = 12,703.24/x
  3. Step 3: Cross multiply
    14,310.28x = 19,642.85 × 12,703.24
  4. Step 4: Simplify right side
    14,310.28x = 249,527,837.83
  5. Step 5: Solve for x
    x = 249,527,837.83/14,310.28
  6. Step 6: Final answer
    x = 17,436.96

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.