Home / 18,331.02-25,295.49-10,374.12

Finding the Fourth Proportional to 18,331.02, 25,295.49 and 10,374.12

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Solution

The fourth proportional to 18,331.02, 25,295.49 and 10,374.12 is: 14,315.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.02 : 25,295.49 = 10,374.12 : x
  2. Step 2: Convert to fraction form
    18,331.02/25,295.49 = 10,374.12/x
  3. Step 3: Cross multiply
    18,331.02x = 25,295.49 × 10,374.12
  4. Step 4: Simplify right side
    18,331.02x = 262,418,448.72
  5. Step 5: Solve for x
    x = 262,418,448.72/18,331.02
  6. Step 6: Final answer
    x = 14,315.54

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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.