Home / 16,823.64-25,237.90-5,135.34

Finding the Fourth Proportional to 16,823.64, 25,237.90 and 5,135.34

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Solution

The fourth proportional to 16,823.64, 25,237.90 and 5,135.34 is: 7,703.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,823.64 : 25,237.90 = 5,135.34 : x
  2. Step 2: Convert to fraction form
    16,823.64/25,237.90 = 5,135.34/x
  3. Step 3: Cross multiply
    16,823.64x = 25,237.90 × 5,135.34
  4. Step 4: Simplify right side
    16,823.64x = 129,605,197.39
  5. Step 5: Solve for x
    x = 129,605,197.39/16,823.64
  6. Step 6: Final answer
    x = 7,703.75

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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.