Home / 14,065.52-21,108.65-6,670.00

Finding the Fourth Proportional to 14,065.52, 21,108.65 and 6,670.00

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Solution

The fourth proportional to 14,065.52, 21,108.65 and 6,670.00 is: 10,009.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.52 : 21,108.65 = 6,670.00 : x
  2. Step 2: Convert to fraction form
    14,065.52/21,108.65 = 6,670.00/x
  3. Step 3: Cross multiply
    14,065.52x = 21,108.65 × 6,670.00
  4. Step 4: Simplify right side
    14,065.52x = 140,794,738.56
  5. Step 5: Solve for x
    x = 140,794,738.56/14,065.52
  6. Step 6: Final answer
    x = 10,009.92

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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.