Home / 16,920.14-25,384.32-11,932.25

Finding the Fourth Proportional to 16,920.14, 25,384.32 and 11,932.25

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Solution

The fourth proportional to 16,920.14, 25,384.32 and 11,932.25 is: 17,901.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.14 : 25,384.32 = 11,932.25 : x
  2. Step 2: Convert to fraction form
    16,920.14/25,384.32 = 11,932.25/x
  3. Step 3: Cross multiply
    16,920.14x = 25,384.32 × 11,932.25
  4. Step 4: Simplify right side
    16,920.14x = 302,891,925.40
  5. Step 5: Solve for x
    x = 302,891,925.40/16,920.14
  6. Step 6: Final answer
    x = 17,901.27

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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.