Home / 16,905.24-23,328.67-9,351.45

Finding the Fourth Proportional to 16,905.24, 23,328.67 and 9,351.45

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Solution

The fourth proportional to 16,905.24, 23,328.67 and 9,351.45 is: 12,904.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.24 : 23,328.67 = 9,351.45 : x
  2. Step 2: Convert to fraction form
    16,905.24/23,328.67 = 9,351.45/x
  3. Step 3: Cross multiply
    16,905.24x = 23,328.67 × 9,351.45
  4. Step 4: Simplify right side
    16,905.24x = 218,156,891.07
  5. Step 5: Solve for x
    x = 218,156,891.07/16,905.24
  6. Step 6: Final answer
    x = 12,904.69

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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.