Home / 14,062.40-21,101.70-5,303.60

Finding the Fourth Proportional to 14,062.40, 21,101.70 and 5,303.60

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Solution

The fourth proportional to 14,062.40, 21,101.70 and 5,303.60 is: 7,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,062.40 : 21,101.70 = 5,303.60 : x
  2. Step 2: Convert to fraction form
    14,062.40/21,101.70 = 5,303.60/x
  3. Step 3: Cross multiply
    14,062.40x = 21,101.70 × 5,303.60
  4. Step 4: Simplify right side
    14,062.40x = 111,914,976.12
  5. Step 5: Solve for x
    x = 111,914,976.12/14,062.40
  6. Step 6: Final answer
    x = 7,958.45

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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.