Home / 19,736.12-27,235.51-10,783.40

Finding the Fourth Proportional to 19,736.12, 27,235.51 and 10,783.40

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Solution

The fourth proportional to 19,736.12, 27,235.51 and 10,783.40 is: 14,880.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.12 : 27,235.51 = 10,783.40 : x
  2. Step 2: Convert to fraction form
    19,736.12/27,235.51 = 10,783.40/x
  3. Step 3: Cross multiply
    19,736.12x = 27,235.51 × 10,783.40
  4. Step 4: Simplify right side
    19,736.12x = 293,691,235.40
  5. Step 5: Solve for x
    x = 293,691,235.40/19,736.12
  6. Step 6: Final answer
    x = 14,880.90

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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.