Home / 19,042.32-28,570.32-8,511.45

Finding the Fourth Proportional to 19,042.32, 28,570.32 and 8,511.45

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Solution

The fourth proportional to 19,042.32, 28,570.32 and 8,511.45 is: 12,770.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.32 : 28,570.32 = 8,511.45 : x
  2. Step 2: Convert to fraction form
    19,042.32/28,570.32 = 8,511.45/x
  3. Step 3: Cross multiply
    19,042.32x = 28,570.32 × 8,511.45
  4. Step 4: Simplify right side
    19,042.32x = 243,174,850.16
  5. Step 5: Solve for x
    x = 243,174,850.16/19,042.32
  6. Step 6: Final answer
    x = 12,770.23

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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.