Home / 28,244.25-42,372.89-9,776.25

Finding the Fourth Proportional to 28,244.25, 42,372.89 and 9,776.25

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Solution

The fourth proportional to 28,244.25, 42,372.89 and 9,776.25 is: 14,666.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.25 : 42,372.89 = 9,776.25 : x
  2. Step 2: Convert to fraction form
    28,244.25/42,372.89 = 9,776.25/x
  3. Step 3: Cross multiply
    28,244.25x = 42,372.89 × 9,776.25
  4. Step 4: Simplify right side
    28,244.25x = 414,247,916.98
  5. Step 5: Solve for x
    x = 414,247,916.98/28,244.25
  6. Step 6: Final answer
    x = 14,666.63

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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.