Home / 25,058.32-34,580.49-13,728.22

Finding the Fourth Proportional to 25,058.32, 34,580.49 and 13,728.22

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Solution

The fourth proportional to 25,058.32, 34,580.49 and 13,728.22 is: 18,944.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,058.32 : 34,580.49 = 13,728.22 : x
  2. Step 2: Convert to fraction form
    25,058.32/34,580.49 = 13,728.22/x
  3. Step 3: Cross multiply
    25,058.32x = 34,580.49 × 13,728.22
  4. Step 4: Simplify right side
    25,058.32x = 474,728,574.43
  5. Step 5: Solve for x
    x = 474,728,574.43/25,058.32
  6. Step 6: Final answer
    x = 18,944.95

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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.