Home / 15,197.62-20,925.93-12,954.46

Finding the Fourth Proportional to 15,197.62, 20,925.93 and 12,954.46

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Solution

The fourth proportional to 15,197.62, 20,925.93 and 12,954.46 is: 17,837.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,197.62 : 20,925.93 = 12,954.46 : x
  2. Step 2: Convert to fraction form
    15,197.62/20,925.93 = 12,954.46/x
  3. Step 3: Cross multiply
    15,197.62x = 20,925.93 × 12,954.46
  4. Step 4: Simplify right side
    15,197.62x = 271,084,123.15
  5. Step 5: Solve for x
    x = 271,084,123.15/15,197.62
  6. Step 6: Final answer
    x = 17,837.27

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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.