Home / 13,506.88-20,262.71-4,620.13

Finding the Fourth Proportional to 13,506.88, 20,262.71 and 4,620.13

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Solution

The fourth proportional to 13,506.88, 20,262.71 and 4,620.13 is: 6,931.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506.88 : 20,262.71 = 4,620.13 : x
  2. Step 2: Convert to fraction form
    13,506.88/20,262.71 = 4,620.13/x
  3. Step 3: Cross multiply
    13,506.88x = 20,262.71 × 4,620.13
  4. Step 4: Simplify right side
    13,506.88x = 93,616,229.94
  5. Step 5: Solve for x
    x = 93,616,229.94/13,506.88
  6. Step 6: Final answer
    x = 6,931.01

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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.