Home / 15,907.24-21,955.22-9,193.15

Finding the Fourth Proportional to 15,907.24, 21,955.22 and 9,193.15

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Solution

The fourth proportional to 15,907.24, 21,955.22 and 9,193.15 is: 12,688.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907.24 : 21,955.22 = 9,193.15 : x
  2. Step 2: Convert to fraction form
    15,907.24/21,955.22 = 9,193.15/x
  3. Step 3: Cross multiply
    15,907.24x = 21,955.22 × 9,193.15
  4. Step 4: Simplify right side
    15,907.24x = 201,837,584.78
  5. Step 5: Solve for x
    x = 201,837,584.78/15,907.24
  6. Step 6: Final answer
    x = 12,688.41

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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.