Home / 14,302.36-21,448.28-4,939.98

Finding the Fourth Proportional to 14,302.36, 21,448.28 and 4,939.98

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Solution

The fourth proportional to 14,302.36, 21,448.28 and 4,939.98 is: 7,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,302.36 : 21,448.28 = 4,939.98 : x
  2. Step 2: Convert to fraction form
    14,302.36/21,448.28 = 4,939.98/x
  3. Step 3: Cross multiply
    14,302.36x = 21,448.28 × 4,939.98
  4. Step 4: Simplify right side
    14,302.36x = 105,953,978.37
  5. Step 5: Solve for x
    x = 105,953,978.37/14,302.36
  6. Step 6: Final answer
    x = 7,408.15

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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.