Home / 20,551.01-28,360.41-14,267.03

Finding the Fourth Proportional to 20,551.01, 28,360.41 and 14,267.03

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Solution

The fourth proportional to 20,551.01, 28,360.41 and 14,267.03 is: 19,688.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,551.01 : 28,360.41 = 14,267.03 : x
  2. Step 2: Convert to fraction form
    20,551.01/28,360.41 = 14,267.03/x
  3. Step 3: Cross multiply
    20,551.01x = 28,360.41 × 14,267.03
  4. Step 4: Simplify right side
    20,551.01x = 404,618,820.28
  5. Step 5: Solve for x
    x = 404,618,820.28/20,551.01
  6. Step 6: Final answer
    x = 19,688.51

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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.