Home / 25,935.80-38,922.90-10,364.60

Finding the Fourth Proportional to 25,935.80, 38,922.90 and 10,364.60

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Solution

The fourth proportional to 25,935.80, 38,922.90 and 10,364.60 is: 15,554.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,935.80 : 38,922.90 = 10,364.60 : x
  2. Step 2: Convert to fraction form
    25,935.80/38,922.90 = 10,364.60/x
  3. Step 3: Cross multiply
    25,935.80x = 38,922.90 × 10,364.60
  4. Step 4: Simplify right side
    25,935.80x = 403,420,289.34
  5. Step 5: Solve for x
    x = 403,420,289.34/25,935.80
  6. Step 6: Final answer
    x = 15,554.57

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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.