Home / 18,416.46-25,442.49-14,873.52

Finding the Fourth Proportional to 18,416.46, 25,442.49 and 14,873.52

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Solution

The fourth proportional to 18,416.46, 25,442.49 and 14,873.52 is: 20,547.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.46 : 25,442.49 = 14,873.52 : x
  2. Step 2: Convert to fraction form
    18,416.46/25,442.49 = 14,873.52/x
  3. Step 3: Cross multiply
    18,416.46x = 25,442.49 × 14,873.52
  4. Step 4: Simplify right side
    18,416.46x = 378,419,309.50
  5. Step 5: Solve for x
    x = 378,419,309.50/18,416.46
  6. Step 6: Final answer
    x = 20,547.89

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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.