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Finding the Fourth Proportional to 14,017.92, 19,352.64 and 9,308.64

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Solution

The fourth proportional to 14,017.92, 19,352.64 and 9,308.64 is: 12,851.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017.92 : 19,352.64 = 9,308.64 : x
  2. Step 2: Convert to fraction form
    14,017.92/19,352.64 = 9,308.64/x
  3. Step 3: Cross multiply
    14,017.92x = 19,352.64 × 9,308.64
  4. Step 4: Simplify right side
    14,017.92x = 180,146,758.81
  5. Step 5: Solve for x
    x = 180,146,758.81/14,017.92
  6. Step 6: Final answer
    x = 12,851.18

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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.