Home / 22,216.23-30,655.43-14,269.23

Finding the Fourth Proportional to 22,216.23, 30,655.43 and 14,269.23

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Solution

The fourth proportional to 22,216.23, 30,655.43 and 14,269.23 is: 19,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,216.23 : 30,655.43 = 14,269.23 : x
  2. Step 2: Convert to fraction form
    22,216.23/30,655.43 = 14,269.23/x
  3. Step 3: Cross multiply
    22,216.23x = 30,655.43 × 14,269.23
  4. Step 4: Simplify right side
    22,216.23x = 437,429,310.07
  5. Step 5: Solve for x
    x = 437,429,310.07/22,216.23
  6. Step 6: Final answer
    x = 19,689.63

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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.