Home / 14,070.74-21,105.02-5,748.54

Finding the Fourth Proportional to 14,070.74, 21,105.02 and 5,748.54

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Solution

The fourth proportional to 14,070.74, 21,105.02 and 5,748.54 is: 8,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.74 : 21,105.02 = 5,748.54 : x
  2. Step 2: Convert to fraction form
    14,070.74/21,105.02 = 5,748.54/x
  3. Step 3: Cross multiply
    14,070.74x = 21,105.02 × 5,748.54
  4. Step 4: Simplify right side
    14,070.74x = 121,323,051.67
  5. Step 5: Solve for x
    x = 121,323,051.67/14,070.74
  6. Step 6: Final answer
    x = 8,622.36

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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.