Home / 14,370.07-19,830.51-8,082.45

Finding the Fourth Proportional to 14,370.07, 19,830.51 and 8,082.45

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Solution

The fourth proportional to 14,370.07, 19,830.51 and 8,082.45 is: 11,153.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.07 : 19,830.51 = 8,082.45 : x
  2. Step 2: Convert to fraction form
    14,370.07/19,830.51 = 8,082.45/x
  3. Step 3: Cross multiply
    14,370.07x = 19,830.51 × 8,082.45
  4. Step 4: Simplify right side
    14,370.07x = 160,278,965.98
  5. Step 5: Solve for x
    x = 160,278,965.98/14,370.07
  6. Step 6: Final answer
    x = 11,153.67

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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.