Home / 18,105.04-24,981.28-13,076.96

Finding the Fourth Proportional to 18,105.04, 24,981.28 and 13,076.96

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Solution

The fourth proportional to 18,105.04, 24,981.28 and 13,076.96 is: 18,043.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105.04 : 24,981.28 = 13,076.96 : x
  2. Step 2: Convert to fraction form
    18,105.04/24,981.28 = 13,076.96/x
  3. Step 3: Cross multiply
    18,105.04x = 24,981.28 × 13,076.96
  4. Step 4: Simplify right side
    18,105.04x = 326,679,199.31
  5. Step 5: Solve for x
    x = 326,679,199.31/18,105.04
  6. Step 6: Final answer
    x = 18,043.55

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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.