Home / 14,218.29-21,331.53-4,359.02

Finding the Fourth Proportional to 14,218.29, 21,331.53 and 4,359.02

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Solution

The fourth proportional to 14,218.29, 21,331.53 and 4,359.02 is: 6,539.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.29 : 21,331.53 = 4,359.02 : x
  2. Step 2: Convert to fraction form
    14,218.29/21,331.53 = 4,359.02/x
  3. Step 3: Cross multiply
    14,218.29x = 21,331.53 × 4,359.02
  4. Step 4: Simplify right side
    14,218.29x = 92,984,459.24
  5. Step 5: Solve for x
    x = 92,984,459.24/14,218.29
  6. Step 6: Final answer
    x = 6,539.78

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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.