Home / 20,552.74-28,362.91-12,053.13

Finding the Fourth Proportional to 20,552.74, 28,362.91 and 12,053.13

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Solution

The fourth proportional to 20,552.74, 28,362.91 and 12,053.13 is: 16,633.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.74 : 28,362.91 = 12,053.13 : x
  2. Step 2: Convert to fraction form
    20,552.74/28,362.91 = 12,053.13/x
  3. Step 3: Cross multiply
    20,552.74x = 28,362.91 × 12,053.13
  4. Step 4: Simplify right side
    20,552.74x = 341,861,841.41
  5. Step 5: Solve for x
    x = 341,861,841.41/20,552.74
  6. Step 6: Final answer
    x = 16,633.39

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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.