Home / 13,946.52-20,916.14-6,549.60

Finding the Fourth Proportional to 13,946.52, 20,916.14 and 6,549.60

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Solution

The fourth proportional to 13,946.52, 20,916.14 and 6,549.60 is: 9,822.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.52 : 20,916.14 = 6,549.60 : x
  2. Step 2: Convert to fraction form
    13,946.52/20,916.14 = 6,549.60/x
  3. Step 3: Cross multiply
    13,946.52x = 20,916.14 × 6,549.60
  4. Step 4: Simplify right side
    13,946.52x = 136,992,317.80
  5. Step 5: Solve for x
    x = 136,992,317.80/13,946.52
  6. Step 6: Final answer
    x = 9,822.69

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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.