Home / 25,404.02-38,079.57-10,621.52

Finding the Fourth Proportional to 25,404.02, 38,079.57 and 10,621.52

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Solution

The fourth proportional to 25,404.02, 38,079.57 and 10,621.52 is: 15,921.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,404.02 : 38,079.57 = 10,621.52 : x
  2. Step 2: Convert to fraction form
    25,404.02/38,079.57 = 10,621.52/x
  3. Step 3: Cross multiply
    25,404.02x = 38,079.57 × 10,621.52
  4. Step 4: Simplify right side
    25,404.02x = 404,462,914.35
  5. Step 5: Solve for x
    x = 404,462,914.35/25,404.02
  6. Step 6: Final answer
    x = 15,921.22

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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.