Home / 16,912.61-25,368.31-4,432.53

Finding the Fourth Proportional to 16,912.61, 25,368.31 and 4,432.53

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Solution

The fourth proportional to 16,912.61, 25,368.31 and 4,432.53 is: 6,648.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.61 : 25,368.31 = 4,432.53 : x
  2. Step 2: Convert to fraction form
    16,912.61/25,368.31 = 4,432.53/x
  3. Step 3: Cross multiply
    16,912.61x = 25,368.31 × 4,432.53
  4. Step 4: Simplify right side
    16,912.61x = 112,445,784.04
  5. Step 5: Solve for x
    x = 112,445,784.04/16,912.61
  6. Step 6: Final answer
    x = 6,648.64

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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.