Home / 22,699.80-31,329.78-13,754.94

Finding the Fourth Proportional to 22,699.80, 31,329.78 and 13,754.94

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Solution

The fourth proportional to 22,699.80, 31,329.78 and 13,754.94 is: 18,984.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,699.80 : 31,329.78 = 13,754.94 : x
  2. Step 2: Convert to fraction form
    22,699.80/31,329.78 = 13,754.94/x
  3. Step 3: Cross multiply
    22,699.80x = 31,329.78 × 13,754.94
  4. Step 4: Simplify right side
    22,699.80x = 430,939,244.11
  5. Step 5: Solve for x
    x = 430,939,244.11/22,699.80
  6. Step 6: Final answer
    x = 18,984.27

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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.