Home / 14,027.36-21,053.12-5,712

Finding the Fourth Proportional to 14,027.36, 21,053.12 and 5,712

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Solution

The fourth proportional to 14,027.36, 21,053.12 and 5,712 is: 8,572.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.36 : 21,053.12 = 5,712 : x
  2. Step 2: Convert to fraction form
    14,027.36/21,053.12 = 5,712/x
  3. Step 3: Cross multiply
    14,027.36x = 21,053.12 × 5,712
  4. Step 4: Simplify right side
    14,027.36x = 120,255,421.44
  5. Step 5: Solve for x
    x = 120,255,421.44/14,027.36
  6. Step 6: Final answer
    x = 8,572.92

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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.