Home / 15,881.49-23,828.85-6,992.28

Finding the Fourth Proportional to 15,881.49, 23,828.85 and 6,992.28

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Solution

The fourth proportional to 15,881.49, 23,828.85 and 6,992.28 is: 10,491.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,881.49 : 23,828.85 = 6,992.28 : x
  2. Step 2: Convert to fraction form
    15,881.49/23,828.85 = 6,992.28/x
  3. Step 3: Cross multiply
    15,881.49x = 23,828.85 × 6,992.28
  4. Step 4: Simplify right side
    15,881.49x = 166,617,991.28
  5. Step 5: Solve for x
    x = 166,617,991.28/15,881.49
  6. Step 6: Final answer
    x = 10,491.33

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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.