Home / 19,424.46-29,139.88-8,331.32

Finding the Fourth Proportional to 19,424.46, 29,139.88 and 8,331.32

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Solution

The fourth proportional to 19,424.46, 29,139.88 and 8,331.32 is: 12,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424.46 : 29,139.88 = 8,331.32 : x
  2. Step 2: Convert to fraction form
    19,424.46/29,139.88 = 8,331.32/x
  3. Step 3: Cross multiply
    19,424.46x = 29,139.88 × 8,331.32
  4. Step 4: Simplify right side
    19,424.46x = 242,773,665.04
  5. Step 5: Solve for x
    x = 242,773,665.04/19,424.46
  6. Step 6: Final answer
    x = 12,498.35

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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.