Home / 25,830.24-38,683.84-17,940.63

Finding the Fourth Proportional to 25,830.24, 38,683.84 and 17,940.63

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Solution

The fourth proportional to 25,830.24, 38,683.84 and 17,940.63 is: 26,868.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,830.24 : 38,683.84 = 17,940.63 : x
  2. Step 2: Convert to fraction form
    25,830.24/38,683.84 = 17,940.63/x
  3. Step 3: Cross multiply
    25,830.24x = 38,683.84 × 17,940.63
  4. Step 4: Simplify right side
    25,830.24x = 694,012,460.42
  5. Step 5: Solve for x
    x = 694,012,460.42/25,830.24
  6. Step 6: Final answer
    x = 26,868.22

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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.