Home / 20,050.64-27,670.20-12,500.02

Finding the Fourth Proportional to 20,050.64, 27,670.20 and 12,500.02

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Solution

The fourth proportional to 20,050.64, 27,670.20 and 12,500.02 is: 17,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.64 : 27,670.20 = 12,500.02 : x
  2. Step 2: Convert to fraction form
    20,050.64/27,670.20 = 12,500.02/x
  3. Step 3: Cross multiply
    20,050.64x = 27,670.20 × 12,500.02
  4. Step 4: Simplify right side
    20,050.64x = 345,878,053.40
  5. Step 5: Solve for x
    x = 345,878,053.40/20,050.64
  6. Step 6: Final answer
    x = 17,250.23

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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.