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Finding the Fourth Proportional to 14,030.90, 19,362.12 and 7,743.14

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Solution

The fourth proportional to 14,030.90, 19,362.12 and 7,743.14 is: 10,685.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,030.90 : 19,362.12 = 7,743.14 : x
  2. Step 2: Convert to fraction form
    14,030.90/19,362.12 = 7,743.14/x
  3. Step 3: Cross multiply
    14,030.90x = 19,362.12 × 7,743.14
  4. Step 4: Simplify right side
    14,030.90x = 149,923,509.05
  5. Step 5: Solve for x
    x = 149,923,509.05/14,030.90
  6. Step 6: Final answer
    x = 10,685.24

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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.