Home / 25,580.67-38,329.29-15,699.09

Finding the Fourth Proportional to 25,580.67, 38,329.29 and 15,699.09

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Solution

The fourth proportional to 25,580.67, 38,329.29 and 15,699.09 is: 23,523.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,580.67 : 38,329.29 = 15,699.09 : x
  2. Step 2: Convert to fraction form
    25,580.67/38,329.29 = 15,699.09/x
  3. Step 3: Cross multiply
    25,580.67x = 38,329.29 × 15,699.09
  4. Step 4: Simplify right side
    25,580.67x = 601,734,973.35
  5. Step 5: Solve for x
    x = 601,734,973.35/25,580.67
  6. Step 6: Final answer
    x = 23,523.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.