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Finding the Fourth Proportional to 14,606.50, 20,160.12 and 9,300.19

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Solution

The fourth proportional to 14,606.50, 20,160.12 and 9,300.19 is: 12,836.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,606.50 : 20,160.12 = 9,300.19 : x
  2. Step 2: Convert to fraction form
    14,606.50/20,160.12 = 9,300.19/x
  3. Step 3: Cross multiply
    14,606.50x = 20,160.12 × 9,300.19
  4. Step 4: Simplify right side
    14,606.50x = 187,492,946.42
  5. Step 5: Solve for x
    x = 187,492,946.42/14,606.50
  6. Step 6: Final answer
    x = 12,836.27

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Double scale
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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.