Home / 25,099.70-34,638.55-13,769.67

Finding the Fourth Proportional to 25,099.70, 34,638.55 and 13,769.67

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Solution

The fourth proportional to 25,099.70, 34,638.55 and 13,769.67 is: 19,002.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,099.70 : 34,638.55 = 13,769.67 : x
  2. Step 2: Convert to fraction form
    25,099.70/34,638.55 = 13,769.67/x
  3. Step 3: Cross multiply
    25,099.70x = 34,638.55 × 13,769.67
  4. Step 4: Simplify right side
    25,099.70x = 476,961,402.78
  5. Step 5: Solve for x
    x = 476,961,402.78/25,099.70
  6. Step 6: Final answer
    x = 19,002.67

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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.