Home / 16,900.23-23,320.26-9,345.53

Finding the Fourth Proportional to 16,900.23, 23,320.26 and 9,345.53

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Solution

The fourth proportional to 16,900.23, 23,320.26 and 9,345.53 is: 12,895.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,900.23 : 23,320.26 = 9,345.53 : x
  2. Step 2: Convert to fraction form
    16,900.23/23,320.26 = 9,345.53/x
  3. Step 3: Cross multiply
    16,900.23x = 23,320.26 × 9,345.53
  4. Step 4: Simplify right side
    16,900.23x = 217,940,189.44
  5. Step 5: Solve for x
    x = 217,940,189.44/16,900.23
  6. Step 6: Final answer
    x = 12,895.69

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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.