Home / 20,331.73-30,501.86-7,005.92

Finding the Fourth Proportional to 20,331.73, 30,501.86 and 7,005.92

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Solution

The fourth proportional to 20,331.73, 30,501.86 and 7,005.92 is: 10,510.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,331.73 : 30,501.86 = 7,005.92 : x
  2. Step 2: Convert to fraction form
    20,331.73/30,501.86 = 7,005.92/x
  3. Step 3: Cross multiply
    20,331.73x = 30,501.86 × 7,005.92
  4. Step 4: Simplify right side
    20,331.73x = 213,693,555.98
  5. Step 5: Solve for x
    x = 213,693,555.98/20,331.73
  6. Step 6: Final answer
    x = 10,510.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.