Home / 14,140.45-19,513.06-8,475.42

Finding the Fourth Proportional to 14,140.45, 19,513.06 and 8,475.42

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Solution

The fourth proportional to 14,140.45, 19,513.06 and 8,475.42 is: 11,695.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.45 : 19,513.06 = 8,475.42 : x
  2. Step 2: Convert to fraction form
    14,140.45/19,513.06 = 8,475.42/x
  3. Step 3: Cross multiply
    14,140.45x = 19,513.06 × 8,475.42
  4. Step 4: Simplify right side
    14,140.45x = 165,381,378.99
  5. Step 5: Solve for x
    x = 165,381,378.99/14,140.45
  6. Step 6: Final answer
    x = 11,695.62

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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.