Home / 19,473.86-29,210.79-12,553.22

Finding the Fourth Proportional to 19,473.86, 29,210.79 and 12,553.22

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Solution

The fourth proportional to 19,473.86, 29,210.79 and 12,553.22 is: 18,829.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,473.86 : 29,210.79 = 12,553.22 : x
  2. Step 2: Convert to fraction form
    19,473.86/29,210.79 = 12,553.22/x
  3. Step 3: Cross multiply
    19,473.86x = 29,210.79 × 12,553.22
  4. Step 4: Simplify right side
    19,473.86x = 366,689,473.24
  5. Step 5: Solve for x
    x = 366,689,473.24/19,473.86
  6. Step 6: Final answer
    x = 18,829.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.