Home / 25,152.64-34,712.40-13,975.36

Finding the Fourth Proportional to 25,152.64, 34,712.40 and 13,975.36

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Solution

The fourth proportional to 25,152.64, 34,712.40 and 13,975.36 is: 19,286.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,152.64 : 34,712.40 = 13,975.36 : x
  2. Step 2: Convert to fraction form
    25,152.64/34,712.40 = 13,975.36/x
  3. Step 3: Cross multiply
    25,152.64x = 34,712.40 × 13,975.36
  4. Step 4: Simplify right side
    25,152.64x = 485,118,286.46
  5. Step 5: Solve for x
    x = 485,118,286.46/25,152.64
  6. Step 6: Final answer
    x = 19,286.97

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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.