Home / 13,722.02-20,566.51-6,316.34

Finding the Fourth Proportional to 13,722.02, 20,566.51 and 6,316.34

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Solution

The fourth proportional to 13,722.02, 20,566.51 and 6,316.34 is: 9,466.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722.02 : 20,566.51 = 6,316.34 : x
  2. Step 2: Convert to fraction form
    13,722.02/20,566.51 = 6,316.34/x
  3. Step 3: Cross multiply
    13,722.02x = 20,566.51 × 6,316.34
  4. Step 4: Simplify right side
    13,722.02x = 129,905,069.77
  5. Step 5: Solve for x
    x = 129,905,069.77/13,722.02
  6. Step 6: Final answer
    x = 9,466.91

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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.