Home / 25,205.63-34,785.92-13,877.33

Finding the Fourth Proportional to 25,205.63, 34,785.92 and 13,877.33

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Solution

The fourth proportional to 25,205.63, 34,785.92 and 13,877.33 is: 19,151.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,205.63 : 34,785.92 = 13,877.33 : x
  2. Step 2: Convert to fraction form
    25,205.63/34,785.92 = 13,877.33/x
  3. Step 3: Cross multiply
    25,205.63x = 34,785.92 × 13,877.33
  4. Step 4: Simplify right side
    25,205.63x = 482,735,621.81
  5. Step 5: Solve for x
    x = 482,735,621.81/25,205.63
  6. Step 6: Final answer
    x = 19,151.90

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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.