Home / 13,466.45-18,586.80-8,742.53

Finding the Fourth Proportional to 13,466.45, 18,586.80 and 8,742.53

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Solution

The fourth proportional to 13,466.45, 18,586.80 and 8,742.53 is: 12,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.45 : 18,586.80 = 8,742.53 : x
  2. Step 2: Convert to fraction form
    13,466.45/18,586.80 = 8,742.53/x
  3. Step 3: Cross multiply
    13,466.45x = 18,586.80 × 8,742.53
  4. Step 4: Simplify right side
    13,466.45x = 162,495,703.07
  5. Step 5: Solve for x
    x = 162,495,703.07/13,466.45
  6. Step 6: Final answer
    x = 12,066.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.