Home / 14,253.80-21,380.70-9,588.20

Finding the Fourth Proportional to 14,253.80, 21,380.70 and 9,588.20

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Solution

The fourth proportional to 14,253.80, 21,380.70 and 9,588.20 is: 14,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.80 : 21,380.70 = 9,588.20 : x
  2. Step 2: Convert to fraction form
    14,253.80/21,380.70 = 9,588.20/x
  3. Step 3: Cross multiply
    14,253.80x = 21,380.70 × 9,588.20
  4. Step 4: Simplify right side
    14,253.80x = 205,002,427.74
  5. Step 5: Solve for x
    x = 205,002,427.74/14,253.80
  6. Step 6: Final answer
    x = 14,382.30

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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.