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Finding the Fourth Proportional to 14,397.10, 19,867.53 and 8,808.10

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Solution

The fourth proportional to 14,397.10, 19,867.53 and 8,808.10 is: 12,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,397.10 : 19,867.53 = 8,808.10 : x
  2. Step 2: Convert to fraction form
    14,397.10/19,867.53 = 8,808.10/x
  3. Step 3: Cross multiply
    14,397.10x = 19,867.53 × 8,808.10
  4. Step 4: Simplify right side
    14,397.10x = 174,995,190.99
  5. Step 5: Solve for x
    x = 174,995,190.99/14,397.10
  6. Step 6: Final answer
    x = 12,154.89

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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.