Home / 18,543.18-25,589.63-10,045.32

Finding the Fourth Proportional to 18,543.18, 25,589.63 and 10,045.32

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Solution

The fourth proportional to 18,543.18, 25,589.63 and 10,045.32 is: 13,862.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.18 : 25,589.63 = 10,045.32 : x
  2. Step 2: Convert to fraction form
    18,543.18/25,589.63 = 10,045.32/x
  3. Step 3: Cross multiply
    18,543.18x = 25,589.63 × 10,045.32
  4. Step 4: Simplify right side
    18,543.18x = 257,056,022.03
  5. Step 5: Solve for x
    x = 257,056,022.03/18,543.18
  6. Step 6: Final answer
    x = 13,862.56

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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.