Home / 19,103.60-28,654.08-5,954.72

Finding the Fourth Proportional to 19,103.60, 28,654.08 and 5,954.72

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Solution

The fourth proportional to 19,103.60, 28,654.08 and 5,954.72 is: 8,931.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103.60 : 28,654.08 = 5,954.72 : x
  2. Step 2: Convert to fraction form
    19,103.60/28,654.08 = 5,954.72/x
  3. Step 3: Cross multiply
    19,103.60x = 28,654.08 × 5,954.72
  4. Step 4: Simplify right side
    19,103.60x = 170,627,023.26
  5. Step 5: Solve for x
    x = 170,627,023.26/19,103.60
  6. Step 6: Final answer
    x = 8,931.67

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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.