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Finding the Fourth Proportional to 14,898.40, 20,560.02 and 8,184.65

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Solution

The fourth proportional to 14,898.40, 20,560.02 and 8,184.65 is: 11,294.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,898.40 : 20,560.02 = 8,184.65 : x
  2. Step 2: Convert to fraction form
    14,898.40/20,560.02 = 8,184.65/x
  3. Step 3: Cross multiply
    14,898.40x = 20,560.02 × 8,184.65
  4. Step 4: Simplify right side
    14,898.40x = 168,276,567.69
  5. Step 5: Solve for x
    x = 168,276,567.69/14,898.40
  6. Step 6: Final answer
    x = 11,294.94

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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.