Home / 19,735.12-27,234.33-10,783.12

Finding the Fourth Proportional to 19,735.12, 27,234.33 and 10,783.12

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Solution

The fourth proportional to 19,735.12, 27,234.33 and 10,783.12 is: 14,880.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,735.12 : 27,234.33 = 10,783.12 : x
  2. Step 2: Convert to fraction form
    19,735.12/27,234.33 = 10,783.12/x
  3. Step 3: Cross multiply
    19,735.12x = 27,234.33 × 10,783.12
  4. Step 4: Simplify right side
    19,735.12x = 293,671,048.51
  5. Step 5: Solve for x
    x = 293,671,048.51/19,735.12
  6. Step 6: Final answer
    x = 14,880.63

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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.