Home / 18,512.99-25,549.29-10,555.41

Finding the Fourth Proportional to 18,512.99, 25,549.29 and 10,555.41

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Solution

The fourth proportional to 18,512.99, 25,549.29 and 10,555.41 is: 14,567.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.99 : 25,549.29 = 10,555.41 : x
  2. Step 2: Convert to fraction form
    18,512.99/25,549.29 = 10,555.41/x
  3. Step 3: Cross multiply
    18,512.99x = 25,549.29 × 10,555.41
  4. Step 4: Simplify right side
    18,512.99x = 269,683,231.16
  5. Step 5: Solve for x
    x = 269,683,231.16/18,512.99
  6. Step 6: Final answer
    x = 14,567.25

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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.