Home / 19,812.48-29,717.24-7,326.67

Finding the Fourth Proportional to 19,812.48, 29,717.24 and 7,326.67

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Solution

The fourth proportional to 19,812.48, 29,717.24 and 7,326.67 is: 10,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.48 : 29,717.24 = 7,326.67 : x
  2. Step 2: Convert to fraction form
    19,812.48/29,717.24 = 7,326.67/x
  3. Step 3: Cross multiply
    19,812.48x = 29,717.24 × 7,326.67
  4. Step 4: Simplify right side
    19,812.48x = 217,728,225.57
  5. Step 5: Solve for x
    x = 217,728,225.57/19,812.48
  6. Step 6: Final answer
    x = 10,989.45

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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.