Home / 14,074.72-21,112.08-4,840

Finding the Fourth Proportional to 14,074.72, 21,112.08 and 4,840

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Solution

The fourth proportional to 14,074.72, 21,112.08 and 4,840 is: 7,260.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.72 : 21,112.08 = 4,840 : x
  2. Step 2: Convert to fraction form
    14,074.72/21,112.08 = 4,840/x
  3. Step 3: Cross multiply
    14,074.72x = 21,112.08 × 4,840
  4. Step 4: Simplify right side
    14,074.72x = 102,182,467.20
  5. Step 5: Solve for x
    x = 102,182,467.20/14,074.72
  6. Step 6: Final answer
    x = 7,260.00

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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.