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Finding the Fourth Proportional to 14,900.60, 22,326.60 and 12,810.80

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Solution

The fourth proportional to 14,900.60, 22,326.60 and 12,810.80 is: 19,195.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.60 : 22,326.60 = 12,810.80 : x
  2. Step 2: Convert to fraction form
    14,900.60/22,326.60 = 12,810.80/x
  3. Step 3: Cross multiply
    14,900.60x = 22,326.60 × 12,810.80
  4. Step 4: Simplify right side
    14,900.60x = 286,021,607.28
  5. Step 5: Solve for x
    x = 286,021,607.28/14,900.60
  6. Step 6: Final answer
    x = 19,195.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.