Home / 18,501.02-25,533.74-12,132.97

Finding the Fourth Proportional to 18,501.02, 25,533.74 and 12,132.97

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Solution

The fourth proportional to 18,501.02, 25,533.74 and 12,132.97 is: 16,745.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.02 : 25,533.74 = 12,132.97 : x
  2. Step 2: Convert to fraction form
    18,501.02/25,533.74 = 12,132.97/x
  3. Step 3: Cross multiply
    18,501.02x = 25,533.74 × 12,132.97
  4. Step 4: Simplify right side
    18,501.02x = 309,800,101.41
  5. Step 5: Solve for x
    x = 309,800,101.41/18,501.02
  6. Step 6: Final answer
    x = 16,745.03

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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.