Home / 13,916.47-20,877.32-5,597.13

Finding the Fourth Proportional to 13,916.47, 20,877.32 and 5,597.13

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Solution

The fourth proportional to 13,916.47, 20,877.32 and 5,597.13 is: 8,396.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.47 : 20,877.32 = 5,597.13 : x
  2. Step 2: Convert to fraction form
    13,916.47/20,877.32 = 5,597.13/x
  3. Step 3: Cross multiply
    13,916.47x = 20,877.32 × 5,597.13
  4. Step 4: Simplify right side
    13,916.47x = 116,853,074.09
  5. Step 5: Solve for x
    x = 116,853,074.09/13,916.47
  6. Step 6: Final answer
    x = 8,396.75

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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.