Home / 16,989.95-25,493.28-7,636.58

Finding the Fourth Proportional to 16,989.95, 25,493.28 and 7,636.58

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Solution

The fourth proportional to 16,989.95, 25,493.28 and 7,636.58 is: 11,458.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989.95 : 25,493.28 = 7,636.58 : x
  2. Step 2: Convert to fraction form
    16,989.95/25,493.28 = 7,636.58/x
  3. Step 3: Cross multiply
    16,989.95x = 25,493.28 × 7,636.58
  4. Step 4: Simplify right side
    16,989.95x = 194,681,454.63
  5. Step 5: Solve for x
    x = 194,681,454.63/16,989.95
  6. Step 6: Final answer
    x = 11,458.62

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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.