Home / 19,329.62-28,996.88-6,847.20

Finding the Fourth Proportional to 19,329.62, 28,996.88 and 6,847.20

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Solution

The fourth proportional to 19,329.62, 28,996.88 and 6,847.20 is: 10,271.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.62 : 28,996.88 = 6,847.20 : x
  2. Step 2: Convert to fraction form
    19,329.62/28,996.88 = 6,847.20/x
  3. Step 3: Cross multiply
    19,329.62x = 28,996.88 × 6,847.20
  4. Step 4: Simplify right side
    19,329.62x = 198,547,402.50
  5. Step 5: Solve for x
    x = 198,547,402.50/19,329.62
  6. Step 6: Final answer
    x = 10,271.67

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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.