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Finding the Fourth Proportional to 14,890.98, 20,544.36 and 8,924.58

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Solution

The fourth proportional to 14,890.98, 20,544.36 and 8,924.58 is: 12,312.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.98 : 20,544.36 = 8,924.58 : x
  2. Step 2: Convert to fraction form
    14,890.98/20,544.36 = 8,924.58/x
  3. Step 3: Cross multiply
    14,890.98x = 20,544.36 × 8,924.58
  4. Step 4: Simplify right side
    14,890.98x = 183,349,784.37
  5. Step 5: Solve for x
    x = 183,349,784.37/14,890.98
  6. Step 6: Final answer
    x = 12,312.81

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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.