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Finding the Fourth Proportional to 14,459.71, 19,946.69 and 8,796.19

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Solution

The fourth proportional to 14,459.71, 19,946.69 and 8,796.19 is: 12,134.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,459.71 : 19,946.69 = 8,796.19 : x
  2. Step 2: Convert to fraction form
    14,459.71/19,946.69 = 8,796.19/x
  3. Step 3: Cross multiply
    14,459.71x = 19,946.69 × 8,796.19
  4. Step 4: Simplify right side
    14,459.71x = 175,454,875.11
  5. Step 5: Solve for x
    x = 175,454,875.11/14,459.71
  6. Step 6: Final answer
    x = 12,134.05

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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.