Home / 14,129.57-21,190.29-5,808.17

Finding the Fourth Proportional to 14,129.57, 21,190.29 and 5,808.17

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Solution

The fourth proportional to 14,129.57, 21,190.29 and 5,808.17 is: 8,710.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.57 : 21,190.29 = 5,808.17 : x
  2. Step 2: Convert to fraction form
    14,129.57/21,190.29 = 5,808.17/x
  3. Step 3: Cross multiply
    14,129.57x = 21,190.29 × 5,808.17
  4. Step 4: Simplify right side
    14,129.57x = 123,076,700.72
  5. Step 5: Solve for x
    x = 123,076,700.72/14,129.57
  6. Step 6: Final answer
    x = 8,710.58

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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.