Home / 18,458.10-25,471.80-10,074.60

Finding the Fourth Proportional to 18,458.10, 25,471.80 and 10,074.60

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Solution

The fourth proportional to 18,458.10, 25,471.80 and 10,074.60 is: 13,902.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458.10 : 25,471.80 = 10,074.60 : x
  2. Step 2: Convert to fraction form
    18,458.10/25,471.80 = 10,074.60/x
  3. Step 3: Cross multiply
    18,458.10x = 25,471.80 × 10,074.60
  4. Step 4: Simplify right side
    18,458.10x = 256,618,196.28
  5. Step 5: Solve for x
    x = 256,618,196.28/18,458.10
  6. Step 6: Final answer
    x = 13,902.74

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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.