Home / 16,835.63-23,232.67-9,178.61

Finding the Fourth Proportional to 16,835.63, 23,232.67 and 9,178.61

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Solution

The fourth proportional to 16,835.63, 23,232.67 and 9,178.61 is: 12,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,835.63 : 23,232.67 = 9,178.61 : x
  2. Step 2: Convert to fraction form
    16,835.63/23,232.67 = 9,178.61/x
  3. Step 3: Cross multiply
    16,835.63x = 23,232.67 × 9,178.61
  4. Step 4: Simplify right side
    16,835.63x = 213,243,556.48
  5. Step 5: Solve for x
    x = 213,243,556.48/16,835.63
  6. Step 6: Final answer
    x = 12,666.21

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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.