Home / 14,112.38-19,475.19-7,824.75

Finding the Fourth Proportional to 14,112.38, 19,475.19 and 7,824.75

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Solution

The fourth proportional to 14,112.38, 19,475.19 and 7,824.75 is: 10,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.38 : 19,475.19 = 7,824.75 : x
  2. Step 2: Convert to fraction form
    14,112.38/19,475.19 = 7,824.75/x
  3. Step 3: Cross multiply
    14,112.38x = 19,475.19 × 7,824.75
  4. Step 4: Simplify right side
    14,112.38x = 152,388,492.95
  5. Step 5: Solve for x
    x = 152,388,492.95/14,112.38
  6. Step 6: Final answer
    x = 10,798.21

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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.