Home / 16,989.14-25,483.98-6,459.32

Finding the Fourth Proportional to 16,989.14, 25,483.98 and 6,459.32

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Solution

The fourth proportional to 16,989.14, 25,483.98 and 6,459.32 is: 9,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989.14 : 25,483.98 = 6,459.32 : x
  2. Step 2: Convert to fraction form
    16,989.14/25,483.98 = 6,459.32/x
  3. Step 3: Cross multiply
    16,989.14x = 25,483.98 × 6,459.32
  4. Step 4: Simplify right side
    16,989.14x = 164,609,181.69
  5. Step 5: Solve for x
    x = 164,609,181.69/16,989.14
  6. Step 6: Final answer
    x = 9,689.08

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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.