Home / 25,078.36-34,615.76-14,474.92

Finding the Fourth Proportional to 25,078.36, 34,615.76 and 14,474.92

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Solution

The fourth proportional to 25,078.36, 34,615.76 and 14,474.92 is: 19,979.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,078.36 : 34,615.76 = 14,474.92 : x
  2. Step 2: Convert to fraction form
    25,078.36/34,615.76 = 14,474.92/x
  3. Step 3: Cross multiply
    25,078.36x = 34,615.76 × 14,474.92
  4. Step 4: Simplify right side
    25,078.36x = 501,060,356.74
  5. Step 5: Solve for x
    x = 501,060,356.74/25,078.36
  6. Step 6: Final answer
    x = 19,979.79

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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.