Home / 16,920.14-25,388.15-7,559.28

Finding the Fourth Proportional to 16,920.14, 25,388.15 and 7,559.28

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Solution

The fourth proportional to 16,920.14, 25,388.15 and 7,559.28 is: 11,342.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.14 : 25,388.15 = 7,559.28 : x
  2. Step 2: Convert to fraction form
    16,920.14/25,388.15 = 7,559.28/x
  3. Step 3: Cross multiply
    16,920.14x = 25,388.15 × 7,559.28
  4. Step 4: Simplify right side
    16,920.14x = 191,916,096.74
  5. Step 5: Solve for x
    x = 191,916,096.74/16,920.14
  6. Step 6: Final answer
    x = 11,342.47

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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.