Home / 19,599.36-29,369.88-10,836.78

Finding the Fourth Proportional to 19,599.36, 29,369.88 and 10,836.78

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Solution

The fourth proportional to 19,599.36, 29,369.88 and 10,836.78 is: 16,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,599.36 : 29,369.88 = 10,836.78 : x
  2. Step 2: Convert to fraction form
    19,599.36/29,369.88 = 10,836.78/x
  3. Step 3: Cross multiply
    19,599.36x = 29,369.88 × 10,836.78
  4. Step 4: Simplify right side
    19,599.36x = 318,274,928.19
  5. Step 5: Solve for x
    x = 318,274,928.19/19,599.36
  6. Step 6: Final answer
    x = 16,239.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.