Home / 19,405.56-29,108.22-5,554.60

Finding the Fourth Proportional to 19,405.56, 29,108.22 and 5,554.60

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Solution

The fourth proportional to 19,405.56, 29,108.22 and 5,554.60 is: 8,331.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,405.56 : 29,108.22 = 5,554.60 : x
  2. Step 2: Convert to fraction form
    19,405.56/29,108.22 = 5,554.60/x
  3. Step 3: Cross multiply
    19,405.56x = 29,108.22 × 5,554.60
  4. Step 4: Simplify right side
    19,405.56x = 161,684,518.81
  5. Step 5: Solve for x
    x = 161,684,518.81/19,405.56
  6. Step 6: Final answer
    x = 8,331.87

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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.