Home / 27,322.11-37,701.86-20,155.94

Finding the Fourth Proportional to 27,322.11, 37,701.86 and 20,155.94

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Solution

The fourth proportional to 27,322.11, 37,701.86 and 20,155.94 is: 27,813.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,322.11 : 37,701.86 = 20,155.94 : x
  2. Step 2: Convert to fraction form
    27,322.11/37,701.86 = 20,155.94/x
  3. Step 3: Cross multiply
    27,322.11x = 37,701.86 × 20,155.94
  4. Step 4: Simplify right side
    27,322.11x = 759,916,280.14
  5. Step 5: Solve for x
    x = 759,916,280.14/27,322.11
  6. Step 6: Final answer
    x = 27,813.24

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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.