Home / 20,007.90-27,610.74-11,056.01

Finding the Fourth Proportional to 20,007.90, 27,610.74 and 11,056.01

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Solution

The fourth proportional to 20,007.90, 27,610.74 and 11,056.01 is: 15,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007.90 : 27,610.74 = 11,056.01 : x
  2. Step 2: Convert to fraction form
    20,007.90/27,610.74 = 11,056.01/x
  3. Step 3: Cross multiply
    20,007.90x = 27,610.74 × 11,056.01
  4. Step 4: Simplify right side
    20,007.90x = 305,264,479.49
  5. Step 5: Solve for x
    x = 305,264,479.49/20,007.90
  6. Step 6: Final answer
    x = 15,257.20

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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.