Home / 13,707.83-20,569.97-5,916.63

Finding the Fourth Proportional to 13,707.83, 20,569.97 and 5,916.63

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Solution

The fourth proportional to 13,707.83, 20,569.97 and 5,916.63 is: 8,878.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707.83 : 20,569.97 = 5,916.63 : x
  2. Step 2: Convert to fraction form
    13,707.83/20,569.97 = 5,916.63/x
  3. Step 3: Cross multiply
    13,707.83x = 20,569.97 × 5,916.63
  4. Step 4: Simplify right side
    13,707.83x = 121,704,872.02
  5. Step 5: Solve for x
    x = 121,704,872.02/13,707.83
  6. Step 6: Final answer
    x = 8,878.50

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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.