Home / 14,590.85-21,747.47-13,760.39

Finding the Fourth Proportional to 14,590.85, 21,747.47 and 13,760.39

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Solution

The fourth proportional to 14,590.85, 21,747.47 and 13,760.39 is: 20,509.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590.85 : 21,747.47 = 13,760.39 : x
  2. Step 2: Convert to fraction form
    14,590.85/21,747.47 = 13,760.39/x
  3. Step 3: Cross multiply
    14,590.85x = 21,747.47 × 13,760.39
  4. Step 4: Simplify right side
    14,590.85x = 299,253,731.68
  5. Step 5: Solve for x
    x = 299,253,731.68/14,590.85
  6. Step 6: Final answer
    x = 20,509.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.