Home / 25,458.77-38,193.56-7,690.76

Finding the Fourth Proportional to 25,458.77, 38,193.56 and 7,690.76

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Solution

The fourth proportional to 25,458.77, 38,193.56 and 7,690.76 is: 11,537.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,458.77 : 38,193.56 = 7,690.76 : x
  2. Step 2: Convert to fraction form
    25,458.77/38,193.56 = 7,690.76/x
  3. Step 3: Cross multiply
    25,458.77x = 38,193.56 × 7,690.76
  4. Step 4: Simplify right side
    25,458.77x = 293,737,532.31
  5. Step 5: Solve for x
    x = 293,737,532.31/25,458.77
  6. Step 6: Final answer
    x = 11,537.77

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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.