Home / 18,652.14-25,740.99-12,360.06

Finding the Fourth Proportional to 18,652.14, 25,740.99 and 12,360.06

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Solution

The fourth proportional to 18,652.14, 25,740.99 and 12,360.06 is: 17,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,652.14 : 25,740.99 = 12,360.06 : x
  2. Step 2: Convert to fraction form
    18,652.14/25,740.99 = 12,360.06/x
  3. Step 3: Cross multiply
    18,652.14x = 25,740.99 × 12,360.06
  4. Step 4: Simplify right side
    18,652.14x = 318,160,180.86
  5. Step 5: Solve for x
    x = 318,160,180.86/18,652.14
  6. Step 6: Final answer
    x = 17,057.57

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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.