Home / 14,229.04-19,636.84-7,941.36

Finding the Fourth Proportional to 14,229.04, 19,636.84 and 7,941.36

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Solution

The fourth proportional to 14,229.04, 19,636.84 and 7,941.36 is: 10,959.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.04 : 19,636.84 = 7,941.36 : x
  2. Step 2: Convert to fraction form
    14,229.04/19,636.84 = 7,941.36/x
  3. Step 3: Cross multiply
    14,229.04x = 19,636.84 × 7,941.36
  4. Step 4: Simplify right side
    14,229.04x = 155,943,215.70
  5. Step 5: Solve for x
    x = 155,943,215.70/14,229.04
  6. Step 6: Final answer
    x = 10,959.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.