Home / 22,487.69-31,035.63-18,704.18

Finding the Fourth Proportional to 22,487.69, 31,035.63 and 18,704.18

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Solution

The fourth proportional to 22,487.69, 31,035.63 and 18,704.18 is: 25,813.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,487.69 : 31,035.63 = 18,704.18 : x
  2. Step 2: Convert to fraction form
    22,487.69/31,035.63 = 18,704.18/x
  3. Step 3: Cross multiply
    22,487.69x = 31,035.63 × 18,704.18
  4. Step 4: Simplify right side
    22,487.69x = 580,495,761.23
  5. Step 5: Solve for x
    x = 580,495,761.23/22,487.69
  6. Step 6: Final answer
    x = 25,813.94

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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.