Home / 19,722.56-29,583.08-4,931.48

Finding the Fourth Proportional to 19,722.56, 29,583.08 and 4,931.48

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Solution

The fourth proportional to 19,722.56, 29,583.08 and 4,931.48 is: 7,397.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.56 : 29,583.08 = 4,931.48 : x
  2. Step 2: Convert to fraction form
    19,722.56/29,583.08 = 4,931.48/x
  3. Step 3: Cross multiply
    19,722.56x = 29,583.08 × 4,931.48
  4. Step 4: Simplify right side
    19,722.56x = 145,888,367.36
  5. Step 5: Solve for x
    x = 145,888,367.36/19,722.56
  6. Step 6: Final answer
    x = 7,397.03

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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.