Home / 25,842.38-35,665.65-15,770.57

Finding the Fourth Proportional to 25,842.38, 35,665.65 and 15,770.57

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Solution

The fourth proportional to 25,842.38, 35,665.65 and 15,770.57 is: 21,765.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,842.38 : 35,665.65 = 15,770.57 : x
  2. Step 2: Convert to fraction form
    25,842.38/35,665.65 = 15,770.57/x
  3. Step 3: Cross multiply
    25,842.38x = 35,665.65 × 15,770.57
  4. Step 4: Simplify right side
    25,842.38x = 562,467,451.59
  5. Step 5: Solve for x
    x = 562,467,451.59/25,842.38
  6. Step 6: Final answer
    x = 21,765.32

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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.