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Finding the Fourth Proportional to 13,597.98, 18,779.41 and 9,359.96

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Solution

The fourth proportional to 13,597.98, 18,779.41 and 9,359.96 is: 12,926.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,597.98 : 18,779.41 = 9,359.96 : x
  2. Step 2: Convert to fraction form
    13,597.98/18,779.41 = 9,359.96/x
  3. Step 3: Cross multiply
    13,597.98x = 18,779.41 × 9,359.96
  4. Step 4: Simplify right side
    13,597.98x = 175,774,444.23
  5. Step 5: Solve for x
    x = 175,774,444.23/13,597.98
  6. Step 6: Final answer
    x = 12,926.52

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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.