Home / 55,611.08-83,415.94-13,491.52

Finding the Fourth Proportional to 55,611.08, 83,415.94 and 13,491.52

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Solution

The fourth proportional to 55,611.08, 83,415.94 and 13,491.52 is: 20,237.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,611.08 : 83,415.94 = 13,491.52 : x
  2. Step 2: Convert to fraction form
    55,611.08/83,415.94 = 13,491.52/x
  3. Step 3: Cross multiply
    55,611.08x = 83,415.94 × 13,491.52
  4. Step 4: Simplify right side
    55,611.08x = 1,125,407,822.83
  5. Step 5: Solve for x
    x = 1,125,407,822.83/55,611.08
  6. Step 6: Final answer
    x = 20,237.12

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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.