Home / 25,103.94-34,640.87-15,032.13

Finding the Fourth Proportional to 25,103.94, 34,640.87 and 15,032.13

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Solution

The fourth proportional to 25,103.94, 34,640.87 and 15,032.13 is: 20,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,103.94 : 34,640.87 = 15,032.13 : x
  2. Step 2: Convert to fraction form
    25,103.94/34,640.87 = 15,032.13/x
  3. Step 3: Cross multiply
    25,103.94x = 34,640.87 × 15,032.13
  4. Step 4: Simplify right side
    25,103.94x = 520,725,985.99
  5. Step 5: Solve for x
    x = 520,725,985.99/25,103.94
  6. Step 6: Final answer
    x = 20,742.80

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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.