Home / 23,379.02-32,263.21-12,768.90

Finding the Fourth Proportional to 23,379.02, 32,263.21 and 12,768.90

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Solution

The fourth proportional to 23,379.02, 32,263.21 and 12,768.90 is: 17,621.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,379.02 : 32,263.21 = 12,768.90 : x
  2. Step 2: Convert to fraction form
    23,379.02/32,263.21 = 12,768.90/x
  3. Step 3: Cross multiply
    23,379.02x = 32,263.21 × 12,768.90
  4. Step 4: Simplify right side
    23,379.02x = 411,965,702.17
  5. Step 5: Solve for x
    x = 411,965,702.17/23,379.02
  6. Step 6: Final answer
    x = 17,621.17

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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.