Home / 22,857.21-34,278.48-7,271.19

Finding the Fourth Proportional to 22,857.21, 34,278.48 and 7,271.19

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Solution

The fourth proportional to 22,857.21, 34,278.48 and 7,271.19 is: 10,904.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,857.21 : 34,278.48 = 7,271.19 : x
  2. Step 2: Convert to fraction form
    22,857.21/34,278.48 = 7,271.19/x
  3. Step 3: Cross multiply
    22,857.21x = 34,278.48 × 7,271.19
  4. Step 4: Simplify right side
    22,857.21x = 249,245,340.99
  5. Step 5: Solve for x
    x = 249,245,340.99/22,857.21
  6. Step 6: Final answer
    x = 10,904.45

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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.