Home / 15,872.49-23,668.86-15,730.20

Finding the Fourth Proportional to 15,872.49, 23,668.86 and 15,730.20

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Solution

The fourth proportional to 15,872.49, 23,668.86 and 15,730.20 is: 23,456.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,872.49 : 23,668.86 = 15,730.20 : x
  2. Step 2: Convert to fraction form
    15,872.49/23,668.86 = 15,730.20/x
  3. Step 3: Cross multiply
    15,872.49x = 23,668.86 × 15,730.20
  4. Step 4: Simplify right side
    15,872.49x = 372,315,704.58
  5. Step 5: Solve for x
    x = 372,315,704.58/15,872.49
  6. Step 6: Final answer
    x = 23,456.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.