Home / 23,299.84-32,154.15-12,689.47

Finding the Fourth Proportional to 23,299.84, 32,154.15 and 12,689.47

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Solution

The fourth proportional to 23,299.84, 32,154.15 and 12,689.47 is: 17,511.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,299.84 : 32,154.15 = 12,689.47 : x
  2. Step 2: Convert to fraction form
    23,299.84/32,154.15 = 12,689.47/x
  3. Step 3: Cross multiply
    23,299.84x = 32,154.15 × 12,689.47
  4. Step 4: Simplify right side
    23,299.84x = 408,019,121.80
  5. Step 5: Solve for x
    x = 408,019,121.80/23,299.84
  6. Step 6: Final answer
    x = 17,511.67

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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.