Home / 19,282.49-28,916.43-10,512.63

Finding the Fourth Proportional to 19,282.49, 28,916.43 and 10,512.63

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Solution

The fourth proportional to 19,282.49, 28,916.43 and 10,512.63 is: 15,764.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.49 : 28,916.43 = 10,512.63 : x
  2. Step 2: Convert to fraction form
    19,282.49/28,916.43 = 10,512.63/x
  3. Step 3: Cross multiply
    19,282.49x = 28,916.43 × 10,512.63
  4. Step 4: Simplify right side
    19,282.49x = 303,987,614.50
  5. Step 5: Solve for x
    x = 303,987,614.50/19,282.49
  6. Step 6: Final answer
    x = 15,764.96

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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.