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Finding the Fourth Proportional to 14,062.14, 19,405.98 and 7,774.11

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Solution

The fourth proportional to 14,062.14, 19,405.98 and 7,774.11 is: 10,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,062.14 : 19,405.98 = 7,774.11 : x
  2. Step 2: Convert to fraction form
    14,062.14/19,405.98 = 7,774.11/x
  3. Step 3: Cross multiply
    14,062.14x = 19,405.98 × 7,774.11
  4. Step 4: Simplify right side
    14,062.14x = 150,864,223.18
  5. Step 5: Solve for x
    x = 150,864,223.18/14,062.14
  6. Step 6: Final answer
    x = 10,728.40

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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.