Home / 19,447.54-26,772.68-18,554.86

Finding the Fourth Proportional to 19,447.54, 26,772.68 and 18,554.86

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Solution

The fourth proportional to 19,447.54, 26,772.68 and 18,554.86 is: 25,543.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447.54 : 26,772.68 = 18,554.86 : x
  2. Step 2: Convert to fraction form
    19,447.54/26,772.68 = 18,554.86/x
  3. Step 3: Cross multiply
    19,447.54x = 26,772.68 × 18,554.86
  4. Step 4: Simplify right side
    19,447.54x = 496,763,154.11
  5. Step 5: Solve for x
    x = 496,763,154.11/19,447.54
  6. Step 6: Final answer
    x = 25,543.75

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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.