Home / 20,008.34-27,612.04-11,056.40

Finding the Fourth Proportional to 20,008.34, 27,612.04 and 11,056.40

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Solution

The fourth proportional to 20,008.34, 27,612.04 and 11,056.40 is: 15,258.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.34 : 27,612.04 = 11,056.40 : x
  2. Step 2: Convert to fraction form
    20,008.34/27,612.04 = 11,056.40/x
  3. Step 3: Cross multiply
    20,008.34x = 27,612.04 × 11,056.40
  4. Step 4: Simplify right side
    20,008.34x = 305,289,593.35
  5. Step 5: Solve for x
    x = 305,289,593.35/20,008.34
  6. Step 6: Final answer
    x = 15,258.12

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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.