Home / 19,222.30-28,840.47-7,543.54

Finding the Fourth Proportional to 19,222.30, 28,840.47 and 7,543.54

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Solution

The fourth proportional to 19,222.30, 28,840.47 and 7,543.54 is: 11,318.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,222.30 : 28,840.47 = 7,543.54 : x
  2. Step 2: Convert to fraction form
    19,222.30/28,840.47 = 7,543.54/x
  3. Step 3: Cross multiply
    19,222.30x = 28,840.47 × 7,543.54
  4. Step 4: Simplify right side
    19,222.30x = 217,559,239.06
  5. Step 5: Solve for x
    x = 217,559,239.06/19,222.30
  6. Step 6: Final answer
    x = 11,318.06

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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.