Home / 13,284.18-19,912.23-4,970.34

Finding the Fourth Proportional to 13,284.18, 19,912.23 and 4,970.34

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Solution

The fourth proportional to 13,284.18, 19,912.23 and 4,970.34 is: 7,450.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.18 : 19,912.23 = 4,970.34 : x
  2. Step 2: Convert to fraction form
    13,284.18/19,912.23 = 4,970.34/x
  3. Step 3: Cross multiply
    13,284.18x = 19,912.23 × 4,970.34
  4. Step 4: Simplify right side
    13,284.18x = 98,970,553.26
  5. Step 5: Solve for x
    x = 98,970,553.26/13,284.18
  6. Step 6: Final answer
    x = 7,450.26

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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.