Home / 13,624.70-18,798.80-7,956.23

Finding the Fourth Proportional to 13,624.70, 18,798.80 and 7,956.23

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Solution

The fourth proportional to 13,624.70, 18,798.80 and 7,956.23 is: 10,977.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.70 : 18,798.80 = 7,956.23 : x
  2. Step 2: Convert to fraction form
    13,624.70/18,798.80 = 7,956.23/x
  3. Step 3: Cross multiply
    13,624.70x = 18,798.80 × 7,956.23
  4. Step 4: Simplify right side
    13,624.70x = 149,567,442.75
  5. Step 5: Solve for x
    x = 149,567,442.75/13,624.70
  6. Step 6: Final answer
    x = 10,977.67

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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.