Home / 14,159.07-19,553.67-11,665.89

Finding the Fourth Proportional to 14,159.07, 19,553.67 and 11,665.89

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Solution

The fourth proportional to 14,159.07, 19,553.67 and 11,665.89 is: 16,110.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.07 : 19,553.67 = 11,665.89 : x
  2. Step 2: Convert to fraction form
    14,159.07/19,553.67 = 11,665.89/x
  3. Step 3: Cross multiply
    14,159.07x = 19,553.67 × 11,665.89
  4. Step 4: Simplify right side
    14,159.07x = 228,110,963.32
  5. Step 5: Solve for x
    x = 228,110,963.32/14,159.07
  6. Step 6: Final answer
    x = 16,110.59

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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.