Home / 15,923.69-21,968.57-10,257.99

Finding the Fourth Proportional to 15,923.69, 21,968.57 and 10,257.99

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Solution

The fourth proportional to 15,923.69, 21,968.57 and 10,257.99 is: 14,152.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,923.69 : 21,968.57 = 10,257.99 : x
  2. Step 2: Convert to fraction form
    15,923.69/21,968.57 = 10,257.99/x
  3. Step 3: Cross multiply
    15,923.69x = 21,968.57 × 10,257.99
  4. Step 4: Simplify right side
    15,923.69x = 225,353,380.51
  5. Step 5: Solve for x
    x = 225,353,380.51/15,923.69
  6. Step 6: Final answer
    x = 14,152.08

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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.