Home / 14,004.78-21,008.31-4,644.42

Finding the Fourth Proportional to 14,004.78, 21,008.31 and 4,644.42

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Solution

The fourth proportional to 14,004.78, 21,008.31 and 4,644.42 is: 6,967.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.78 : 21,008.31 = 4,644.42 : x
  2. Step 2: Convert to fraction form
    14,004.78/21,008.31 = 4,644.42/x
  3. Step 3: Cross multiply
    14,004.78x = 21,008.31 × 4,644.42
  4. Step 4: Simplify right side
    14,004.78x = 97,571,415.13
  5. Step 5: Solve for x
    x = 97,571,415.13/14,004.78
  6. Step 6: Final answer
    x = 6,967.01

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1.5x scale

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.