Home / 16,875.37-23,288.19-9,321.90

Finding the Fourth Proportional to 16,875.37, 23,288.19 and 9,321.90

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Solution

The fourth proportional to 16,875.37, 23,288.19 and 9,321.90 is: 12,864.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,875.37 : 23,288.19 = 9,321.90 : x
  2. Step 2: Convert to fraction form
    16,875.37/23,288.19 = 9,321.90/x
  3. Step 3: Cross multiply
    16,875.37x = 23,288.19 × 9,321.90
  4. Step 4: Simplify right side
    16,875.37x = 217,090,239.50
  5. Step 5: Solve for x
    x = 217,090,239.50/16,875.37
  6. Step 6: Final answer
    x = 12,864.32

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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.