Home / 13,403.16-20,102.31-4,636.53

Finding the Fourth Proportional to 13,403.16, 20,102.31 and 4,636.53

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Solution

The fourth proportional to 13,403.16, 20,102.31 and 4,636.53 is: 6,953.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.16 : 20,102.31 = 4,636.53 : x
  2. Step 2: Convert to fraction form
    13,403.16/20,102.31 = 4,636.53/x
  3. Step 3: Cross multiply
    13,403.16x = 20,102.31 × 4,636.53
  4. Step 4: Simplify right side
    13,403.16x = 93,204,963.38
  5. Step 5: Solve for x
    x = 93,204,963.38/13,403.16
  6. Step 6: Final answer
    x = 6,953.95

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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.