Home / 19,223.28-26,528.13-10,839.78

Finding the Fourth Proportional to 19,223.28, 26,528.13 and 10,839.78

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Solution

The fourth proportional to 19,223.28, 26,528.13 and 10,839.78 is: 14,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223.28 : 26,528.13 = 10,839.78 : x
  2. Step 2: Convert to fraction form
    19,223.28/26,528.13 = 10,839.78/x
  3. Step 3: Cross multiply
    19,223.28x = 26,528.13 × 10,839.78
  4. Step 4: Simplify right side
    19,223.28x = 287,559,093.01
  5. Step 5: Solve for x
    x = 287,559,093.01/19,223.28
  6. Step 6: Final answer
    x = 14,958.90

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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.