Home / 13,600.04-18,769.19-7,632.90

Finding the Fourth Proportional to 13,600.04, 18,769.19 and 7,632.90

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Solution

The fourth proportional to 13,600.04, 18,769.19 and 7,632.90 is: 10,534.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.04 : 18,769.19 = 7,632.90 : x
  2. Step 2: Convert to fraction form
    13,600.04/18,769.19 = 7,632.90/x
  3. Step 3: Cross multiply
    13,600.04x = 18,769.19 × 7,632.90
  4. Step 4: Simplify right side
    13,600.04x = 143,263,312.19
  5. Step 5: Solve for x
    x = 143,263,312.19/13,600.04
  6. Step 6: Final answer
    x = 10,534.04

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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.