Home / 25,189.63-37,780.19-7,176.58

Finding the Fourth Proportional to 25,189.63, 37,780.19 and 7,176.58

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Solution

The fourth proportional to 25,189.63, 37,780.19 and 7,176.58 is: 10,763.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,189.63 : 37,780.19 = 7,176.58 : x
  2. Step 2: Convert to fraction form
    25,189.63/37,780.19 = 7,176.58/x
  3. Step 3: Cross multiply
    25,189.63x = 37,780.19 × 7,176.58
  4. Step 4: Simplify right side
    25,189.63x = 271,132,744.23
  5. Step 5: Solve for x
    x = 271,132,744.23/25,189.63
  6. Step 6: Final answer
    x = 10,763.67

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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.