Home / 16,678.99-23,016.91-9,125.18

Finding the Fourth Proportional to 16,678.99, 23,016.91 and 9,125.18

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Solution

The fourth proportional to 16,678.99, 23,016.91 and 9,125.18 is: 12,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,678.99 : 23,016.91 = 9,125.18 : x
  2. Step 2: Convert to fraction form
    16,678.99/23,016.91 = 9,125.18/x
  3. Step 3: Cross multiply
    16,678.99x = 23,016.91 × 9,125.18
  4. Step 4: Simplify right side
    16,678.99x = 210,033,477.05
  5. Step 5: Solve for x
    x = 210,033,477.05/16,678.99
  6. Step 6: Final answer
    x = 12,592.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.