Home / 16,985.28-25,450.98-11,418.12

Finding the Fourth Proportional to 16,985.28, 25,450.98 and 11,418.12

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Solution

The fourth proportional to 16,985.28, 25,450.98 and 11,418.12 is: 17,109.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,985.28 : 25,450.98 = 11,418.12 : x
  2. Step 2: Convert to fraction form
    16,985.28/25,450.98 = 11,418.12/x
  3. Step 3: Cross multiply
    16,985.28x = 25,450.98 × 11,418.12
  4. Step 4: Simplify right side
    16,985.28x = 290,602,343.76
  5. Step 5: Solve for x
    x = 290,602,343.76/16,985.28
  6. Step 6: Final answer
    x = 17,109.07

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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.