Home / 18,466.32-25,483.53-11,392.74

Finding the Fourth Proportional to 18,466.32, 25,483.53 and 11,392.74

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Solution

The fourth proportional to 18,466.32, 25,483.53 and 11,392.74 is: 15,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.32 : 25,483.53 = 11,392.74 : x
  2. Step 2: Convert to fraction form
    18,466.32/25,483.53 = 11,392.74/x
  3. Step 3: Cross multiply
    18,466.32x = 25,483.53 × 11,392.74
  4. Step 4: Simplify right side
    18,466.32x = 290,327,231.57
  5. Step 5: Solve for x
    x = 290,327,231.57/18,466.32
  6. Step 6: Final answer
    x = 15,721.99

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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.