Home / 25,058.22-34,580.28-13,728.39

Finding the Fourth Proportional to 25,058.22, 34,580.28 and 13,728.39

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Solution

The fourth proportional to 25,058.22, 34,580.28 and 13,728.39 is: 18,945.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,058.22 : 34,580.28 = 13,728.39 : x
  2. Step 2: Convert to fraction form
    25,058.22/34,580.28 = 13,728.39/x
  3. Step 3: Cross multiply
    25,058.22x = 34,580.28 × 13,728.39
  4. Step 4: Simplify right side
    25,058.22x = 474,731,570.15
  5. Step 5: Solve for x
    x = 474,731,570.15/25,058.22
  6. Step 6: Final answer
    x = 18,945.14

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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.