Home / 25,050.83-34,570.09-13,720.33

Finding the Fourth Proportional to 25,050.83, 34,570.09 and 13,720.33

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Solution

The fourth proportional to 25,050.83, 34,570.09 and 13,720.33 is: 18,934.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,050.83 : 34,570.09 = 13,720.33 : x
  2. Step 2: Convert to fraction form
    25,050.83/34,570.09 = 13,720.33/x
  3. Step 3: Cross multiply
    25,050.83x = 34,570.09 × 13,720.33
  4. Step 4: Simplify right side
    25,050.83x = 474,313,042.93
  5. Step 5: Solve for x
    x = 474,313,042.93/25,050.83
  6. Step 6: Final answer
    x = 18,934.03

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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.