Home / 15,982.92-22,065.87-14,209.61

Finding the Fourth Proportional to 15,982.92, 22,065.87 and 14,209.61

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Solution

The fourth proportional to 15,982.92, 22,065.87 and 14,209.61 is: 19,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.92 : 22,065.87 = 14,209.61 : x
  2. Step 2: Convert to fraction form
    15,982.92/22,065.87 = 14,209.61/x
  3. Step 3: Cross multiply
    15,982.92x = 22,065.87 × 14,209.61
  4. Step 4: Simplify right side
    15,982.92x = 313,547,497.70
  5. Step 5: Solve for x
    x = 313,547,497.70/15,982.92
  6. Step 6: Final answer
    x = 19,617.67

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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.