Home / 25,392.61-38,147.32-17,913.39

Finding the Fourth Proportional to 25,392.61, 38,147.32 and 17,913.39

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Solution

The fourth proportional to 25,392.61, 38,147.32 and 17,913.39 is: 26,911.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,392.61 : 38,147.32 = 17,913.39 : x
  2. Step 2: Convert to fraction form
    25,392.61/38,147.32 = 17,913.39/x
  3. Step 3: Cross multiply
    25,392.61x = 38,147.32 × 17,913.39
  4. Step 4: Simplify right side
    25,392.61x = 683,347,820.61
  5. Step 5: Solve for x
    x = 683,347,820.61/25,392.61
  6. Step 6: Final answer
    x = 26,911.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.