Home / 16,702.56-25,032.06-12,509.64

Finding the Fourth Proportional to 16,702.56, 25,032.06 and 12,509.64

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Solution

The fourth proportional to 16,702.56, 25,032.06 and 12,509.64 is: 18,748.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,702.56 : 25,032.06 = 12,509.64 : x
  2. Step 2: Convert to fraction form
    16,702.56/25,032.06 = 12,509.64/x
  3. Step 3: Cross multiply
    16,702.56x = 25,032.06 × 12,509.64
  4. Step 4: Simplify right side
    16,702.56x = 313,142,059.06
  5. Step 5: Solve for x
    x = 313,142,059.06/16,702.56
  6. Step 6: Final answer
    x = 18,748.15

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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.