Home / 13,389.08-20,075.51-5,992.16

Finding the Fourth Proportional to 13,389.08, 20,075.51 and 5,992.16

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Solution

The fourth proportional to 13,389.08, 20,075.51 and 5,992.16 is: 8,984.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389.08 : 20,075.51 = 5,992.16 : x
  2. Step 2: Convert to fraction form
    13,389.08/20,075.51 = 5,992.16/x
  3. Step 3: Cross multiply
    13,389.08x = 20,075.51 × 5,992.16
  4. Step 4: Simplify right side
    13,389.08x = 120,295,582.60
  5. Step 5: Solve for x
    x = 120,295,582.60/13,389.08
  6. Step 6: Final answer
    x = 8,984.61

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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.