Home / 20,650.53-30,975.84-19,598.76

Finding the Fourth Proportional to 20,650.53, 30,975.84 and 19,598.76

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Solution

The fourth proportional to 20,650.53, 30,975.84 and 19,598.76 is: 29,398.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,650.53 : 30,975.84 = 19,598.76 : x
  2. Step 2: Convert to fraction form
    20,650.53/30,975.84 = 19,598.76/x
  3. Step 3: Cross multiply
    20,650.53x = 30,975.84 × 19,598.76
  4. Step 4: Simplify right side
    20,650.53x = 607,088,053.96
  5. Step 5: Solve for x
    x = 607,088,053.96/20,650.53
  6. Step 6: Final answer
    x = 29,398.18

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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.