Home / 22,699.48-31,253.70-20,597.56

Finding the Fourth Proportional to 22,699.48, 31,253.70 and 20,597.56

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Solution

The fourth proportional to 22,699.48, 31,253.70 and 20,597.56 is: 28,359.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,699.48 : 31,253.70 = 20,597.56 : x
  2. Step 2: Convert to fraction form
    22,699.48/31,253.70 = 20,597.56/x
  3. Step 3: Cross multiply
    22,699.48x = 31,253.70 × 20,597.56
  4. Step 4: Simplify right side
    22,699.48x = 643,749,960.97
  5. Step 5: Solve for x
    x = 643,749,960.97/22,699.48
  6. Step 6: Final answer
    x = 28,359.68

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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.