Home / 19,153.34-28,693.79-10,839.33

Finding the Fourth Proportional to 19,153.34, 28,693.79 and 10,839.33

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Solution

The fourth proportional to 19,153.34, 28,693.79 and 10,839.33 is: 16,238.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.34 : 28,693.79 = 10,839.33 : x
  2. Step 2: Convert to fraction form
    19,153.34/28,693.79 = 10,839.33/x
  3. Step 3: Cross multiply
    19,153.34x = 28,693.79 × 10,839.33
  4. Step 4: Simplify right side
    19,153.34x = 311,021,458.76
  5. Step 5: Solve for x
    x = 311,021,458.76/19,153.34
  6. Step 6: Final answer
    x = 16,238.50

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1.5x scale

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.