Home / 14,444.86-19,950.36-9,720.94

Finding the Fourth Proportional to 14,444.86, 19,950.36 and 9,720.94

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Solution

The fourth proportional to 14,444.86, 19,950.36 and 9,720.94 is: 13,425.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,444.86 : 19,950.36 = 9,720.94 : x
  2. Step 2: Convert to fraction form
    14,444.86/19,950.36 = 9,720.94/x
  3. Step 3: Cross multiply
    14,444.86x = 19,950.36 × 9,720.94
  4. Step 4: Simplify right side
    14,444.86x = 193,936,252.54
  5. Step 5: Solve for x
    x = 193,936,252.54/14,444.86
  6. Step 6: Final answer
    x = 13,425.97

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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.