Home / 13,605.08-20,410.86-4,840.76

Finding the Fourth Proportional to 13,605.08, 20,410.86 and 4,840.76

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Solution

The fourth proportional to 13,605.08, 20,410.86 and 4,840.76 is: 7,262.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,605.08 : 20,410.86 = 4,840.76 : x
  2. Step 2: Convert to fraction form
    13,605.08/20,410.86 = 4,840.76/x
  3. Step 3: Cross multiply
    13,605.08x = 20,410.86 × 4,840.76
  4. Step 4: Simplify right side
    13,605.08x = 98,804,074.65
  5. Step 5: Solve for x
    x = 98,804,074.65/13,605.08
  6. Step 6: Final answer
    x = 7,262.29

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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.