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Finding the Fourth Proportional to 14,264.40, 19,683.40 and 8,296.40

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Solution

The fourth proportional to 14,264.40, 19,683.40 and 8,296.40 is: 11,448.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,264.40 : 19,683.40 = 8,296.40 : x
  2. Step 2: Convert to fraction form
    14,264.40/19,683.40 = 8,296.40/x
  3. Step 3: Cross multiply
    14,264.40x = 19,683.40 × 8,296.40
  4. Step 4: Simplify right side
    14,264.40x = 163,301,359.76
  5. Step 5: Solve for x
    x = 163,301,359.76/14,264.40
  6. Step 6: Final answer
    x = 11,448.18

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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.