Home / 34,526.39-47,639.27-20,183.45

Finding the Fourth Proportional to 34,526.39, 47,639.27 and 20,183.45

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Solution

The fourth proportional to 34,526.39, 47,639.27 and 20,183.45 is: 27,848.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,526.39 : 47,639.27 = 20,183.45 : x
  2. Step 2: Convert to fraction form
    34,526.39/47,639.27 = 20,183.45/x
  3. Step 3: Cross multiply
    34,526.39x = 47,639.27 × 20,183.45
  4. Step 4: Simplify right side
    34,526.39x = 961,524,484.97
  5. Step 5: Solve for x
    x = 961,524,484.97/34,526.39
  6. Step 6: Final answer
    x = 27,848.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.