Home / 9,919.15-14,938.10-9,033.41

Finding the Fourth Proportional to 9,919.15, 14,938.10 and 9,033.41

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Solution

The fourth proportional to 9,919.15, 14,938.10 and 9,033.41 is: 13,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.15 : 14,938.10 = 9,033.41 : x
  2. Step 2: Convert to fraction form
    9,919.15/14,938.10 = 9,033.41/x
  3. Step 3: Cross multiply
    9,919.15x = 14,938.10 × 9,033.41
  4. Step 4: Simplify right side
    9,919.15x = 134,942,041.85
  5. Step 5: Solve for x
    x = 134,942,041.85/9,919.15
  6. Step 6: Final answer
    x = 13,604.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.