Home / 15,748.92-23,639.85-6,990.03

Finding the Fourth Proportional to 15,748.92, 23,639.85 and 6,990.03

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Solution

The fourth proportional to 15,748.92, 23,639.85 and 6,990.03 is: 10,492.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,748.92 : 23,639.85 = 6,990.03 : x
  2. Step 2: Convert to fraction form
    15,748.92/23,639.85 = 6,990.03/x
  3. Step 3: Cross multiply
    15,748.92x = 23,639.85 × 6,990.03
  4. Step 4: Simplify right side
    15,748.92x = 165,243,260.70
  5. Step 5: Solve for x
    x = 165,243,260.70/15,748.92
  6. Step 6: Final answer
    x = 10,492.36

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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.