Home / 15,729.30-23,582.52-7,404.70

Finding the Fourth Proportional to 15,729.30, 23,582.52 and 7,404.70

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Solution

The fourth proportional to 15,729.30, 23,582.52 and 7,404.70 is: 11,101.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,729.30 : 23,582.52 = 7,404.70 : x
  2. Step 2: Convert to fraction form
    15,729.30/23,582.52 = 7,404.70/x
  3. Step 3: Cross multiply
    15,729.30x = 23,582.52 × 7,404.70
  4. Step 4: Simplify right side
    15,729.30x = 174,621,485.84
  5. Step 5: Solve for x
    x = 174,621,485.84/15,729.30
  6. Step 6: Final answer
    x = 11,101.67

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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.