Home / 27,650.92-38,158.18-15,075.68

Finding the Fourth Proportional to 27,650.92, 38,158.18 and 15,075.68

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Solution

The fourth proportional to 27,650.92, 38,158.18 and 15,075.68 is: 20,804.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,650.92 : 38,158.18 = 15,075.68 : x
  2. Step 2: Convert to fraction form
    27,650.92/38,158.18 = 15,075.68/x
  3. Step 3: Cross multiply
    27,650.92x = 38,158.18 × 15,075.68
  4. Step 4: Simplify right side
    27,650.92x = 575,260,511.06
  5. Step 5: Solve for x
    x = 575,260,511.06/27,650.92
  6. Step 6: Final answer
    x = 20,804.39

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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.