Home / 16,985.72-25,468.85-7,116.68

Finding the Fourth Proportional to 16,985.72, 25,468.85 and 7,116.68

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Solution

The fourth proportional to 16,985.72, 25,468.85 and 7,116.68 is: 10,670.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,985.72 : 25,468.85 = 7,116.68 : x
  2. Step 2: Convert to fraction form
    16,985.72/25,468.85 = 7,116.68/x
  3. Step 3: Cross multiply
    16,985.72x = 25,468.85 × 7,116.68
  4. Step 4: Simplify right side
    16,985.72x = 181,253,492.49
  5. Step 5: Solve for x
    x = 181,253,492.49/16,985.72
  6. Step 6: Final answer
    x = 10,670.94

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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.