Home / 14,168.58-19,566.78-11,675.40

Finding the Fourth Proportional to 14,168.58, 19,566.78 and 11,675.40

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Solution

The fourth proportional to 14,168.58, 19,566.78 and 11,675.40 is: 16,123.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.58 : 19,566.78 = 11,675.40 : x
  2. Step 2: Convert to fraction form
    14,168.58/19,566.78 = 11,675.40/x
  3. Step 3: Cross multiply
    14,168.58x = 19,566.78 × 11,675.40
  4. Step 4: Simplify right side
    14,168.58x = 228,449,983.21
  5. Step 5: Solve for x
    x = 228,449,983.21/14,168.58
  6. Step 6: Final answer
    x = 16,123.70

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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.