Home / 15,347.07-23,020.53-4,253.72

Finding the Fourth Proportional to 15,347.07, 23,020.53 and 4,253.72

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Solution

The fourth proportional to 15,347.07, 23,020.53 and 4,253.72 is: 6,380.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,347.07 : 23,020.53 = 4,253.72 : x
  2. Step 2: Convert to fraction form
    15,347.07/23,020.53 = 4,253.72/x
  3. Step 3: Cross multiply
    15,347.07x = 23,020.53 × 4,253.72
  4. Step 4: Simplify right side
    15,347.07x = 97,922,888.87
  5. Step 5: Solve for x
    x = 97,922,888.87/15,347.07
  6. Step 6: Final answer
    x = 6,380.56

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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.