Home / 20,062.10-30,139.28-14,152.58

Finding the Fourth Proportional to 20,062.10, 30,139.28 and 14,152.58

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Solution

The fourth proportional to 20,062.10, 30,139.28 and 14,152.58 is: 21,261.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.10 : 30,139.28 = 14,152.58 : x
  2. Step 2: Convert to fraction form
    20,062.10/30,139.28 = 14,152.58/x
  3. Step 3: Cross multiply
    20,062.10x = 30,139.28 × 14,152.58
  4. Step 4: Simplify right side
    20,062.10x = 426,548,629.00
  5. Step 5: Solve for x
    x = 426,548,629.00/20,062.10
  6. Step 6: Final answer
    x = 21,261.42

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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.