Home / 20,607.45-30,913.44-6,564.18

Finding the Fourth Proportional to 20,607.45, 30,913.44 and 6,564.18

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Solution

The fourth proportional to 20,607.45, 30,913.44 and 6,564.18 is: 9,846.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,607.45 : 30,913.44 = 6,564.18 : x
  2. Step 2: Convert to fraction form
    20,607.45/30,913.44 = 6,564.18/x
  3. Step 3: Cross multiply
    20,607.45x = 30,913.44 × 6,564.18
  4. Step 4: Simplify right side
    20,607.45x = 202,921,384.58
  5. Step 5: Solve for x
    x = 202,921,384.58/20,607.45
  6. Step 6: Final answer
    x = 9,846.99

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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.