Home / 13,566.42-20,332.62-7,326.18

Finding the Fourth Proportional to 13,566.42, 20,332.62 and 7,326.18

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Solution

The fourth proportional to 13,566.42, 20,332.62 and 7,326.18 is: 10,980.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.42 : 20,332.62 = 7,326.18 : x
  2. Step 2: Convert to fraction form
    13,566.42/20,332.62 = 7,326.18/x
  3. Step 3: Cross multiply
    13,566.42x = 20,332.62 × 7,326.18
  4. Step 4: Simplify right side
    13,566.42x = 148,960,433.99
  5. Step 5: Solve for x
    x = 148,960,433.99/13,566.42
  6. Step 6: Final answer
    x = 10,980.08

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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.