Home / 19,736.15-27,235.98-10,783.80

Finding the Fourth Proportional to 19,736.15, 27,235.98 and 10,783.80

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Solution

The fourth proportional to 19,736.15, 27,235.98 and 10,783.80 is: 14,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.15 : 27,235.98 = 10,783.80 : x
  2. Step 2: Convert to fraction form
    19,736.15/27,235.98 = 10,783.80/x
  3. Step 3: Cross multiply
    19,736.15x = 27,235.98 × 10,783.80
  4. Step 4: Simplify right side
    19,736.15x = 293,707,361.12
  5. Step 5: Solve for x
    x = 293,707,361.12/19,736.15
  6. Step 6: Final answer
    x = 14,881.70

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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.