Home / 16,830.72-23,268.48-14,178.56

Finding the Fourth Proportional to 16,830.72, 23,268.48 and 14,178.56

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Solution

The fourth proportional to 16,830.72, 23,268.48 and 14,178.56 is: 19,601.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,830.72 : 23,268.48 = 14,178.56 : x
  2. Step 2: Convert to fraction form
    16,830.72/23,268.48 = 14,178.56/x
  3. Step 3: Cross multiply
    16,830.72x = 23,268.48 × 14,178.56
  4. Step 4: Simplify right side
    16,830.72x = 329,913,539.79
  5. Step 5: Solve for x
    x = 329,913,539.79/16,830.72
  6. Step 6: Final answer
    x = 19,601.87

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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.