Home / 18,528.33-25,573.07-11,812.41

Finding the Fourth Proportional to 18,528.33, 25,573.07 and 11,812.41

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Solution

The fourth proportional to 18,528.33, 25,573.07 and 11,812.41 is: 16,303.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.33 : 25,573.07 = 11,812.41 : x
  2. Step 2: Convert to fraction form
    18,528.33/25,573.07 = 11,812.41/x
  3. Step 3: Cross multiply
    18,528.33x = 25,573.07 × 11,812.41
  4. Step 4: Simplify right side
    18,528.33x = 302,079,528.74
  5. Step 5: Solve for x
    x = 302,079,528.74/18,528.33
  6. Step 6: Final answer
    x = 16,303.66

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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.