Home / 13,596.05-18,762.49-7,627.72

Finding the Fourth Proportional to 13,596.05, 18,762.49 and 7,627.72

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Solution

The fourth proportional to 13,596.05, 18,762.49 and 7,627.72 is: 10,526.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.05 : 18,762.49 = 7,627.72 : x
  2. Step 2: Convert to fraction form
    13,596.05/18,762.49 = 7,627.72/x
  3. Step 3: Cross multiply
    13,596.05x = 18,762.49 × 7,627.72
  4. Step 4: Simplify right side
    13,596.05x = 143,114,975.12
  5. Step 5: Solve for x
    x = 143,114,975.12/13,596.05
  6. Step 6: Final answer
    x = 10,526.22

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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.