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Finding the Fourth Proportional to 14,024.84, 19,352.86 and 8,281.40

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Solution

The fourth proportional to 14,024.84, 19,352.86 and 8,281.40 is: 11,427.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,024.84 : 19,352.86 = 8,281.40 : x
  2. Step 2: Convert to fraction form
    14,024.84/19,352.86 = 8,281.40/x
  3. Step 3: Cross multiply
    14,024.84x = 19,352.86 × 8,281.40
  4. Step 4: Simplify right side
    14,024.84x = 160,268,774.80
  5. Step 5: Solve for x
    x = 160,268,774.80/14,024.84
  6. Step 6: Final answer
    x = 11,427.49

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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.