Home / 16,675.76-23,012.88-9,603.20

Finding the Fourth Proportional to 16,675.76, 23,012.88 and 9,603.20

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Solution

The fourth proportional to 16,675.76, 23,012.88 and 9,603.20 is: 13,252.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,675.76 : 23,012.88 = 9,603.20 : x
  2. Step 2: Convert to fraction form
    16,675.76/23,012.88 = 9,603.20/x
  3. Step 3: Cross multiply
    16,675.76x = 23,012.88 × 9,603.20
  4. Step 4: Simplify right side
    16,675.76x = 220,997,289.22
  5. Step 5: Solve for x
    x = 220,997,289.22/16,675.76
  6. Step 6: Final answer
    x = 13,252.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.