Home / 14,702.38-20,283.94-9,669.30

Finding the Fourth Proportional to 14,702.38, 20,283.94 and 9,669.30

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Solution

The fourth proportional to 14,702.38, 20,283.94 and 9,669.30 is: 13,340.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,702.38 : 20,283.94 = 9,669.30 : x
  2. Step 2: Convert to fraction form
    14,702.38/20,283.94 = 9,669.30/x
  3. Step 3: Cross multiply
    14,702.38x = 20,283.94 × 9,669.30
  4. Step 4: Simplify right side
    14,702.38x = 196,131,501.04
  5. Step 5: Solve for x
    x = 196,131,501.04/14,702.38
  6. Step 6: Final answer
    x = 13,340.12

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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.