Home / 14,283.30-21,425.94-4,421.28

Finding the Fourth Proportional to 14,283.30, 21,425.94 and 4,421.28

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Solution

The fourth proportional to 14,283.30, 21,425.94 and 4,421.28 is: 6,632.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.30 : 21,425.94 = 4,421.28 : x
  2. Step 2: Convert to fraction form
    14,283.30/21,425.94 = 4,421.28/x
  3. Step 3: Cross multiply
    14,283.30x = 21,425.94 × 4,421.28
  4. Step 4: Simplify right side
    14,283.30x = 94,730,080.00
  5. Step 5: Solve for x
    x = 94,730,080.00/14,283.30
  6. Step 6: Final answer
    x = 6,632.23

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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.