Home / 13,230.41-18,259.83-7,566.35

Finding the Fourth Proportional to 13,230.41, 18,259.83 and 7,566.35

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Solution

The fourth proportional to 13,230.41, 18,259.83 and 7,566.35 is: 10,442.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.41 : 18,259.83 = 7,566.35 : x
  2. Step 2: Convert to fraction form
    13,230.41/18,259.83 = 7,566.35/x
  3. Step 3: Cross multiply
    13,230.41x = 18,259.83 × 7,566.35
  4. Step 4: Simplify right side
    13,230.41x = 138,160,173.42
  5. Step 5: Solve for x
    x = 138,160,173.42/13,230.41
  6. Step 6: Final answer
    x = 10,442.63

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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.