Home / 14,448.48-19,907.78-9,724.56

Finding the Fourth Proportional to 14,448.48, 19,907.78 and 9,724.56

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Solution

The fourth proportional to 14,448.48, 19,907.78 and 9,724.56 is: 13,398.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448.48 : 19,907.78 = 9,724.56 : x
  2. Step 2: Convert to fraction form
    14,448.48/19,907.78 = 9,724.56/x
  3. Step 3: Cross multiply
    14,448.48x = 19,907.78 × 9,724.56
  4. Step 4: Simplify right side
    14,448.48x = 193,594,277.80
  5. Step 5: Solve for x
    x = 193,594,277.80/14,448.48
  6. Step 6: Final answer
    x = 13,398.94

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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.