Home / 22,008.71-30,371.47-12,576.67

Finding the Fourth Proportional to 22,008.71, 30,371.47 and 12,576.67

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Solution

The fourth proportional to 22,008.71, 30,371.47 and 12,576.67 is: 17,355.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,008.71 : 30,371.47 = 12,576.67 : x
  2. Step 2: Convert to fraction form
    22,008.71/30,371.47 = 12,576.67/x
  3. Step 3: Cross multiply
    22,008.71x = 30,371.47 × 12,576.67
  4. Step 4: Simplify right side
    22,008.71x = 381,971,848.23
  5. Step 5: Solve for x
    x = 381,971,848.23/22,008.71
  6. Step 6: Final answer
    x = 17,355.48

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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.