Home / 16,784.64-23,125.68-12,303.36

Finding the Fourth Proportional to 16,784.64, 23,125.68 and 12,303.36

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Solution

The fourth proportional to 16,784.64, 23,125.68 and 12,303.36 is: 16,951.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,784.64 : 23,125.68 = 12,303.36 : x
  2. Step 2: Convert to fraction form
    16,784.64/23,125.68 = 12,303.36/x
  3. Step 3: Cross multiply
    16,784.64x = 23,125.68 × 12,303.36
  4. Step 4: Simplify right side
    16,784.64x = 284,523,566.28
  5. Step 5: Solve for x
    x = 284,523,566.28/16,784.64
  6. Step 6: Final answer
    x = 16,951.43

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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.