Home / 18,543.66-25,589.79-10,585.41

Finding the Fourth Proportional to 18,543.66, 25,589.79 and 10,585.41

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Solution

The fourth proportional to 18,543.66, 25,589.79 and 10,585.41 is: 14,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.66 : 25,589.79 = 10,585.41 : x
  2. Step 2: Convert to fraction form
    18,543.66/25,589.79 = 10,585.41/x
  3. Step 3: Cross multiply
    18,543.66x = 25,589.79 × 10,585.41
  4. Step 4: Simplify right side
    18,543.66x = 270,878,418.96
  5. Step 5: Solve for x
    x = 270,878,418.96/18,543.66
  6. Step 6: Final answer
    x = 14,607.60

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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.