Home / 16,875.81-25,317.50-6,487.29

Finding the Fourth Proportional to 16,875.81, 25,317.50 and 6,487.29

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Solution

The fourth proportional to 16,875.81, 25,317.50 and 6,487.29 is: 9,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,875.81 : 25,317.50 = 6,487.29 : x
  2. Step 2: Convert to fraction form
    16,875.81/25,317.50 = 6,487.29/x
  3. Step 3: Cross multiply
    16,875.81x = 25,317.50 × 6,487.29
  4. Step 4: Simplify right side
    16,875.81x = 164,241,932.14
  5. Step 5: Solve for x
    x = 164,241,932.14/16,875.81
  6. Step 6: Final answer
    x = 9,732.39

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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.