Home / 19,980.06-29,962.29-7,493.27

Finding the Fourth Proportional to 19,980.06, 29,962.29 and 7,493.27

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Solution

The fourth proportional to 19,980.06, 29,962.29 and 7,493.27 is: 11,236.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980.06 : 29,962.29 = 7,493.27 : x
  2. Step 2: Convert to fraction form
    19,980.06/29,962.29 = 7,493.27/x
  3. Step 3: Cross multiply
    19,980.06x = 29,962.29 × 7,493.27
  4. Step 4: Simplify right side
    19,980.06x = 224,515,528.79
  5. Step 5: Solve for x
    x = 224,515,528.79/19,980.06
  6. Step 6: Final answer
    x = 11,236.98

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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.