Home / 14,054.41-21,088.45-6,650.05

Finding the Fourth Proportional to 14,054.41, 21,088.45 and 6,650.05

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Solution

The fourth proportional to 14,054.41, 21,088.45 and 6,650.05 is: 9,978.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.41 : 21,088.45 = 6,650.05 : x
  2. Step 2: Convert to fraction form
    14,054.41/21,088.45 = 6,650.05/x
  3. Step 3: Cross multiply
    14,054.41x = 21,088.45 × 6,650.05
  4. Step 4: Simplify right side
    14,054.41x = 140,239,242.05
  5. Step 5: Solve for x
    x = 140,239,242.05/14,054.41
  6. Step 6: Final answer
    x = 9,978.31

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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.