Home / 13,599.10-18,766.47-7,632.22

Finding the Fourth Proportional to 13,599.10, 18,766.47 and 7,632.22

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Solution

The fourth proportional to 13,599.10, 18,766.47 and 7,632.22 is: 10,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.10 : 18,766.47 = 7,632.22 : x
  2. Step 2: Convert to fraction form
    13,599.10/18,766.47 = 7,632.22/x
  3. Step 3: Cross multiply
    13,599.10x = 18,766.47 × 7,632.22
  4. Step 4: Simplify right side
    13,599.10x = 143,229,827.66
  5. Step 5: Solve for x
    x = 143,229,827.66/13,599.10
  6. Step 6: Final answer
    x = 10,532.30

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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.