Home / 9,018.81-13,528.26-2,445.66

Finding the Fourth Proportional to 9,018.81, 13,528.26 and 2,445.66

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Solution

The fourth proportional to 9,018.81, 13,528.26 and 2,445.66 is: 3,668.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.81 : 13,528.26 = 2,445.66 : x
  2. Step 2: Convert to fraction form
    9,018.81/13,528.26 = 2,445.66/x
  3. Step 3: Cross multiply
    9,018.81x = 13,528.26 × 2,445.66
  4. Step 4: Simplify right side
    9,018.81x = 33,085,524.35
  5. Step 5: Solve for x
    x = 33,085,524.35/9,018.81
  6. Step 6: Final answer
    x = 3,668.50

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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.