Home / 14,643.11-21,962.34-4,782.31

Finding the Fourth Proportional to 14,643.11, 21,962.34 and 4,782.31

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Solution

The fourth proportional to 14,643.11, 21,962.34 and 4,782.31 is: 7,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,643.11 : 21,962.34 = 4,782.31 : x
  2. Step 2: Convert to fraction form
    14,643.11/21,962.34 = 4,782.31/x
  3. Step 3: Cross multiply
    14,643.11x = 21,962.34 × 4,782.31
  4. Step 4: Simplify right side
    14,643.11x = 105,030,663.30
  5. Step 5: Solve for x
    x = 105,030,663.30/14,643.11
  6. Step 6: Final answer
    x = 7,172.70

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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.