Home / 14,495.07-20,043.47-11,505.72

Finding the Fourth Proportional to 14,495.07, 20,043.47 and 11,505.72

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Solution

The fourth proportional to 14,495.07, 20,043.47 and 11,505.72 is: 15,909.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495.07 : 20,043.47 = 11,505.72 : x
  2. Step 2: Convert to fraction form
    14,495.07/20,043.47 = 11,505.72/x
  3. Step 3: Cross multiply
    14,495.07x = 20,043.47 × 11,505.72
  4. Step 4: Simplify right side
    14,495.07x = 230,614,553.65
  5. Step 5: Solve for x
    x = 230,614,553.65/14,495.07
  6. Step 6: Final answer
    x = 15,909.86

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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.