Home / 20,526.15-30,733.61-10,644.70

Finding the Fourth Proportional to 20,526.15, 30,733.61 and 10,644.70

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Solution

The fourth proportional to 20,526.15, 30,733.61 and 10,644.70 is: 15,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.15 : 30,733.61 = 10,644.70 : x
  2. Step 2: Convert to fraction form
    20,526.15/30,733.61 = 10,644.70/x
  3. Step 3: Cross multiply
    20,526.15x = 30,733.61 × 10,644.70
  4. Step 4: Simplify right side
    20,526.15x = 327,150,058.37
  5. Step 5: Solve for x
    x = 327,150,058.37/20,526.15
  6. Step 6: Final answer
    x = 15,938.21

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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.