Home / 14,660.48-21,980.28-6,865.04

Finding the Fourth Proportional to 14,660.48, 21,980.28 and 6,865.04

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Solution

The fourth proportional to 14,660.48, 21,980.28 and 6,865.04 is: 10,292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.48 : 21,980.28 = 6,865.04 : x
  2. Step 2: Convert to fraction form
    14,660.48/21,980.28 = 6,865.04/x
  3. Step 3: Cross multiply
    14,660.48x = 21,980.28 × 6,865.04
  4. Step 4: Simplify right side
    14,660.48x = 150,895,501.41
  5. Step 5: Solve for x
    x = 150,895,501.41/14,660.48
  6. Step 6: Final answer
    x = 10,292.67

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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.