Home / 20,066.10-30,088.40-19,203.43

Finding the Fourth Proportional to 20,066.10, 30,088.40 and 19,203.43

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Solution

The fourth proportional to 20,066.10, 30,088.40 and 19,203.43 is: 28,794.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.10 : 30,088.40 = 19,203.43 : x
  2. Step 2: Convert to fraction form
    20,066.10/30,088.40 = 19,203.43/x
  3. Step 3: Cross multiply
    20,066.10x = 30,088.40 × 19,203.43
  4. Step 4: Simplify right side
    20,066.10x = 577,800,368.39
  5. Step 5: Solve for x
    x = 577,800,368.39/20,066.10
  6. Step 6: Final answer
    x = 28,794.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.