Home / 15,416.80-23,105.76-7,623.52

Finding the Fourth Proportional to 15,416.80, 23,105.76 and 7,623.52

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Solution

The fourth proportional to 15,416.80, 23,105.76 and 7,623.52 is: 11,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,416.80 : 23,105.76 = 7,623.52 : x
  2. Step 2: Convert to fraction form
    15,416.80/23,105.76 = 7,623.52/x
  3. Step 3: Cross multiply
    15,416.80x = 23,105.76 × 7,623.52
  4. Step 4: Simplify right side
    15,416.80x = 176,147,223.48
  5. Step 5: Solve for x
    x = 176,147,223.48/15,416.80
  6. Step 6: Final answer
    x = 11,425.67

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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.