Home / 15,445.05-23,149.66-7,107.57

Finding the Fourth Proportional to 15,445.05, 23,149.66 and 7,107.57

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Solution

The fourth proportional to 15,445.05, 23,149.66 and 7,107.57 is: 10,653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,445.05 : 23,149.66 = 7,107.57 : x
  2. Step 2: Convert to fraction form
    15,445.05/23,149.66 = 7,107.57/x
  3. Step 3: Cross multiply
    15,445.05x = 23,149.66 × 7,107.57
  4. Step 4: Simplify right side
    15,445.05x = 164,537,828.93
  5. Step 5: Solve for x
    x = 164,537,828.93/15,445.05
  6. Step 6: Final answer
    x = 10,653.11

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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.