Home / 23,397.05-32,269.55-20,711.09

Finding the Fourth Proportional to 23,397.05, 32,269.55 and 20,711.09

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Solution

The fourth proportional to 23,397.05, 32,269.55 and 20,711.09 is: 28,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,397.05 : 32,269.55 = 20,711.09 : x
  2. Step 2: Convert to fraction form
    23,397.05/32,269.55 = 20,711.09/x
  3. Step 3: Cross multiply
    23,397.05x = 32,269.55 × 20,711.09
  4. Step 4: Simplify right side
    23,397.05x = 668,337,289.41
  5. Step 5: Solve for x
    x = 668,337,289.41/23,397.05
  6. Step 6: Final answer
    x = 28,565.03

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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.