Home / 20,313.52-30,465.89-5,522.58

Finding the Fourth Proportional to 20,313.52, 30,465.89 and 5,522.58

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Solution

The fourth proportional to 20,313.52, 30,465.89 and 5,522.58 is: 8,282.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313.52 : 30,465.89 = 5,522.58 : x
  2. Step 2: Convert to fraction form
    20,313.52/30,465.89 = 5,522.58/x
  3. Step 3: Cross multiply
    20,313.52x = 30,465.89 × 5,522.58
  4. Step 4: Simplify right side
    20,313.52x = 168,250,307.89
  5. Step 5: Solve for x
    x = 168,250,307.89/20,313.52
  6. Step 6: Final answer
    x = 8,282.68

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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.