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Finding the Fourth Proportional to 14,276.10, 19,701.06 and 7,903.14

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Solution

The fourth proportional to 14,276.10, 19,701.06 and 7,903.14 is: 10,906.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.10 : 19,701.06 = 7,903.14 : x
  2. Step 2: Convert to fraction form
    14,276.10/19,701.06 = 7,903.14/x
  3. Step 3: Cross multiply
    14,276.10x = 19,701.06 × 7,903.14
  4. Step 4: Simplify right side
    14,276.10x = 155,700,195.81
  5. Step 5: Solve for x
    x = 155,700,195.81/14,276.10
  6. Step 6: Final answer
    x = 10,906.35

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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.