Home / 20,074.02-27,701.24-10,999.35

Finding the Fourth Proportional to 20,074.02, 27,701.24 and 10,999.35

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Solution

The fourth proportional to 20,074.02, 27,701.24 and 10,999.35 is: 15,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.02 : 27,701.24 = 10,999.35 : x
  2. Step 2: Convert to fraction form
    20,074.02/27,701.24 = 10,999.35/x
  3. Step 3: Cross multiply
    20,074.02x = 27,701.24 × 10,999.35
  4. Step 4: Simplify right side
    20,074.02x = 304,695,579.20
  5. Step 5: Solve for x
    x = 304,695,579.20/20,074.02
  6. Step 6: Final answer
    x = 15,178.60

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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.