Home / 25,078.64-34,606.68-13,746.32

Finding the Fourth Proportional to 25,078.64, 34,606.68 and 13,746.32

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Solution

The fourth proportional to 25,078.64, 34,606.68 and 13,746.32 is: 18,968.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,078.64 : 34,606.68 = 13,746.32 : x
  2. Step 2: Convert to fraction form
    25,078.64/34,606.68 = 13,746.32/x
  3. Step 3: Cross multiply
    25,078.64x = 34,606.68 × 13,746.32
  4. Step 4: Simplify right side
    25,078.64x = 475,714,497.42
  5. Step 5: Solve for x
    x = 475,714,497.42/25,078.64
  6. Step 6: Final answer
    x = 18,968.91

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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.