Home / 15,021.08-20,730.92-8,733.48

Finding the Fourth Proportional to 15,021.08, 20,730.92 and 8,733.48

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Solution

The fourth proportional to 15,021.08, 20,730.92 and 8,733.48 is: 12,053.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,021.08 : 20,730.92 = 8,733.48 : x
  2. Step 2: Convert to fraction form
    15,021.08/20,730.92 = 8,733.48/x
  3. Step 3: Cross multiply
    15,021.08x = 20,730.92 × 8,733.48
  4. Step 4: Simplify right side
    15,021.08x = 181,053,075.20
  5. Step 5: Solve for x
    x = 181,053,075.20/15,021.08
  6. Step 6: Final answer
    x = 12,053.27

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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.