Home / 12,360.80-18,541.16-3,595.80

Finding the Fourth Proportional to 12,360.80, 18,541.16 and 3,595.80

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Solution

The fourth proportional to 12,360.80, 18,541.16 and 3,595.80 is: 5,393.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.80 : 18,541.16 = 3,595.80 : x
  2. Step 2: Convert to fraction form
    12,360.80/18,541.16 = 3,595.80/x
  3. Step 3: Cross multiply
    12,360.80x = 18,541.16 × 3,595.80
  4. Step 4: Simplify right side
    12,360.80x = 66,670,303.13
  5. Step 5: Solve for x
    x = 66,670,303.13/12,360.80
  6. Step 6: Final answer
    x = 5,393.69

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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.