Home / 14,070.48-21,100.44-5,300.64

Finding the Fourth Proportional to 14,070.48, 21,100.44 and 5,300.64

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Solution

The fourth proportional to 14,070.48, 21,100.44 and 5,300.64 is: 7,948.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.48 : 21,100.44 = 5,300.64 : x
  2. Step 2: Convert to fraction form
    14,070.48/21,100.44 = 5,300.64/x
  3. Step 3: Cross multiply
    14,070.48x = 21,100.44 × 5,300.64
  4. Step 4: Simplify right side
    14,070.48x = 111,845,836.28
  5. Step 5: Solve for x
    x = 111,845,836.28/14,070.48
  6. Step 6: Final answer
    x = 7,948.97

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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.