Home / 20,503.32-30,756.68-15,024.84

Finding the Fourth Proportional to 20,503.32, 30,756.68 and 15,024.84

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Solution

The fourth proportional to 20,503.32, 30,756.68 and 15,024.84 is: 22,538.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,503.32 : 30,756.68 = 15,024.84 : x
  2. Step 2: Convert to fraction form
    20,503.32/30,756.68 = 15,024.84/x
  3. Step 3: Cross multiply
    20,503.32x = 30,756.68 × 15,024.84
  4. Step 4: Simplify right side
    20,503.32x = 462,114,195.93
  5. Step 5: Solve for x
    x = 462,114,195.93/20,503.32
  6. Step 6: Final answer
    x = 22,538.51

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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.