Home / 21,051.12-31,582.07-6,260.02

Finding the Fourth Proportional to 21,051.12, 31,582.07 and 6,260.02

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Solution

The fourth proportional to 21,051.12, 31,582.07 and 6,260.02 is: 9,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051.12 : 31,582.07 = 6,260.02 : x
  2. Step 2: Convert to fraction form
    21,051.12/31,582.07 = 6,260.02/x
  3. Step 3: Cross multiply
    21,051.12x = 31,582.07 × 6,260.02
  4. Step 4: Simplify right side
    21,051.12x = 197,704,303.06
  5. Step 5: Solve for x
    x = 197,704,303.06/21,051.12
  6. Step 6: Final answer
    x = 9,391.63

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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.