Home / 13,391.95-20,090.15-4,624.51

Finding the Fourth Proportional to 13,391.95, 20,090.15 and 4,624.51

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Solution

The fourth proportional to 13,391.95, 20,090.15 and 4,624.51 is: 6,937.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391.95 : 20,090.15 = 4,624.51 : x
  2. Step 2: Convert to fraction form
    13,391.95/20,090.15 = 4,624.51/x
  3. Step 3: Cross multiply
    13,391.95x = 20,090.15 × 4,624.51
  4. Step 4: Simplify right side
    13,391.95x = 92,907,099.58
  5. Step 5: Solve for x
    x = 92,907,099.58/13,391.95
  6. Step 6: Final answer
    x = 6,937.53

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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.