Home / 13,702.02-20,553.03-3,313.77

Finding the Fourth Proportional to 13,702.02, 20,553.03 and 3,313.77

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Solution

The fourth proportional to 13,702.02, 20,553.03 and 3,313.77 is: 4,970.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702.02 : 20,553.03 = 3,313.77 : x
  2. Step 2: Convert to fraction form
    13,702.02/20,553.03 = 3,313.77/x
  3. Step 3: Cross multiply
    13,702.02x = 20,553.03 × 3,313.77
  4. Step 4: Simplify right side
    13,702.02x = 68,108,014.22
  5. Step 5: Solve for x
    x = 68,108,014.22/13,702.02
  6. Step 6: Final answer
    x = 4,970.66

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1.5x scale

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.