Home / 18,688.86-28,036.08-6,034.37

Finding the Fourth Proportional to 18,688.86, 28,036.08 and 6,034.37

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Solution

The fourth proportional to 18,688.86, 28,036.08 and 6,034.37 is: 9,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,688.86 : 28,036.08 = 6,034.37 : x
  2. Step 2: Convert to fraction form
    18,688.86/28,036.08 = 6,034.37/x
  3. Step 3: Cross multiply
    18,688.86x = 28,036.08 × 6,034.37
  4. Step 4: Simplify right side
    18,688.86x = 169,179,939.89
  5. Step 5: Solve for x
    x = 169,179,939.89/18,688.86
  6. Step 6: Final answer
    x = 9,052.45

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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.