Home / 23,154.95-31,953.82-12,544.58

Finding the Fourth Proportional to 23,154.95, 31,953.82 and 12,544.58

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Solution

The fourth proportional to 23,154.95, 31,953.82 and 12,544.58 is: 17,311.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,154.95 : 31,953.82 = 12,544.58 : x
  2. Step 2: Convert to fraction form
    23,154.95/31,953.82 = 12,544.58/x
  3. Step 3: Cross multiply
    23,154.95x = 31,953.82 × 12,544.58
  4. Step 4: Simplify right side
    23,154.95x = 400,847,251.30
  5. Step 5: Solve for x
    x = 400,847,251.30/23,154.95
  6. Step 6: Final answer
    x = 17,311.51

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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.