Home / 19,734.89-27,236.03-10,783.75

Finding the Fourth Proportional to 19,734.89, 27,236.03 and 10,783.75

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Solution

The fourth proportional to 19,734.89, 27,236.03 and 10,783.75 is: 14,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,734.89 : 27,236.03 = 10,783.75 : x
  2. Step 2: Convert to fraction form
    19,734.89/27,236.03 = 10,783.75/x
  3. Step 3: Cross multiply
    19,734.89x = 27,236.03 × 10,783.75
  4. Step 4: Simplify right side
    19,734.89x = 293,706,528.23
  5. Step 5: Solve for x
    x = 293,706,528.23/19,734.89
  6. Step 6: Final answer
    x = 14,882.60

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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.