Home / 18,440.66-25,447.86-10,482.36

Finding the Fourth Proportional to 18,440.66, 25,447.86 and 10,482.36

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Solution

The fourth proportional to 18,440.66, 25,447.86 and 10,482.36 is: 14,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.66 : 25,447.86 = 10,482.36 : x
  2. Step 2: Convert to fraction form
    18,440.66/25,447.86 = 10,482.36/x
  3. Step 3: Cross multiply
    18,440.66x = 25,447.86 × 10,482.36
  4. Step 4: Simplify right side
    18,440.66x = 266,753,629.75
  5. Step 5: Solve for x
    x = 266,753,629.75/18,440.66
  6. Step 6: Final answer
    x = 14,465.52

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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.