Home / 15,052.23-20,761.74-10,328.31

Finding the Fourth Proportional to 15,052.23, 20,761.74 and 10,328.31

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Solution

The fourth proportional to 15,052.23, 20,761.74 and 10,328.31 is: 14,245.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,052.23 : 20,761.74 = 10,328.31 : x
  2. Step 2: Convert to fraction form
    15,052.23/20,761.74 = 10,328.31/x
  3. Step 3: Cross multiply
    15,052.23x = 20,761.74 × 10,328.31
  4. Step 4: Simplify right side
    15,052.23x = 214,433,686.86
  5. Step 5: Solve for x
    x = 214,433,686.86/15,052.23
  6. Step 6: Final answer
    x = 14,245.97

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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.