Home / 18,570.02-25,625.00-10,912.47

Finding the Fourth Proportional to 18,570.02, 25,625.00 and 10,912.47

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Solution

The fourth proportional to 18,570.02, 25,625.00 and 10,912.47 is: 15,058.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.02 : 25,625.00 = 10,912.47 : x
  2. Step 2: Convert to fraction form
    18,570.02/25,625.00 = 10,912.47/x
  3. Step 3: Cross multiply
    18,570.02x = 25,625.00 × 10,912.47
  4. Step 4: Simplify right side
    18,570.02x = 279,631,989.19
  5. Step 5: Solve for x
    x = 279,631,989.19/18,570.02
  6. Step 6: Final answer
    x = 15,058.25

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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.