Home / 13,469.13-18,587.58-7,500.95

Finding the Fourth Proportional to 13,469.13, 18,587.58 and 7,500.95

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Solution

The fourth proportional to 13,469.13, 18,587.58 and 7,500.95 is: 10,351.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469.13 : 18,587.58 = 7,500.95 : x
  2. Step 2: Convert to fraction form
    13,469.13/18,587.58 = 7,500.95/x
  3. Step 3: Cross multiply
    13,469.13x = 18,587.58 × 7,500.95
  4. Step 4: Simplify right side
    13,469.13x = 139,424,443.08
  5. Step 5: Solve for x
    x = 139,424,443.08/13,469.13
  6. Step 6: Final answer
    x = 10,351.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.