Home / 25,142.54-34,695.81-13,811.18

Finding the Fourth Proportional to 25,142.54, 34,695.81 and 13,811.18

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Solution

The fourth proportional to 25,142.54, 34,695.81 and 13,811.18 is: 19,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,142.54 : 34,695.81 = 13,811.18 : x
  2. Step 2: Convert to fraction form
    25,142.54/34,695.81 = 13,811.18/x
  3. Step 3: Cross multiply
    25,142.54x = 34,695.81 × 13,811.18
  4. Step 4: Simplify right side
    25,142.54x = 479,189,903.68
  5. Step 5: Solve for x
    x = 479,189,903.68/25,142.54
  6. Step 6: Final answer
    x = 19,058.93

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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.