Home / 13,569.72-20,324.51-10,426.59

Finding the Fourth Proportional to 13,569.72, 20,324.51 and 10,426.59

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Solution

The fourth proportional to 13,569.72, 20,324.51 and 10,426.59 is: 15,616.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.72 : 20,324.51 = 10,426.59 : x
  2. Step 2: Convert to fraction form
    13,569.72/20,324.51 = 10,426.59/x
  3. Step 3: Cross multiply
    13,569.72x = 20,324.51 × 10,426.59
  4. Step 4: Simplify right side
    13,569.72x = 211,915,280.59
  5. Step 5: Solve for x
    x = 211,915,280.59/13,569.72
  6. Step 6: Final answer
    x = 15,616.78

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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.