Home / 16,867.79-25,307.08-8,103.32

Finding the Fourth Proportional to 16,867.79, 25,307.08 and 8,103.32

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Solution

The fourth proportional to 16,867.79, 25,307.08 and 8,103.32 is: 12,157.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,867.79 : 25,307.08 = 8,103.32 : x
  2. Step 2: Convert to fraction form
    16,867.79/25,307.08 = 8,103.32/x
  3. Step 3: Cross multiply
    16,867.79x = 25,307.08 × 8,103.32
  4. Step 4: Simplify right side
    16,867.79x = 205,071,220.71
  5. Step 5: Solve for x
    x = 205,071,220.71/16,867.79
  6. Step 6: Final answer
    x = 12,157.57

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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.