Home / 13,566.62-18,722.53-8,528.93

Finding the Fourth Proportional to 13,566.62, 18,722.53 and 8,528.93

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Solution

The fourth proportional to 13,566.62, 18,722.53 and 8,528.93 is: 11,770.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.62 : 18,722.53 = 8,528.93 : x
  2. Step 2: Convert to fraction form
    13,566.62/18,722.53 = 8,528.93/x
  3. Step 3: Cross multiply
    13,566.62x = 18,722.53 × 8,528.93
  4. Step 4: Simplify right side
    13,566.62x = 159,683,147.79
  5. Step 5: Solve for x
    x = 159,683,147.79/13,566.62
  6. Step 6: Final answer
    x = 11,770.30

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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.