Home / 25,446.36-38,175.08-7,917.60

Finding the Fourth Proportional to 25,446.36, 38,175.08 and 7,917.60

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Solution

The fourth proportional to 25,446.36, 38,175.08 and 7,917.60 is: 11,878.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,446.36 : 38,175.08 = 7,917.60 : x
  2. Step 2: Convert to fraction form
    25,446.36/38,175.08 = 7,917.60/x
  3. Step 3: Cross multiply
    25,446.36x = 38,175.08 × 7,917.60
  4. Step 4: Simplify right side
    25,446.36x = 302,254,973.82
  5. Step 5: Solve for x
    x = 302,254,973.82/25,446.36
  6. Step 6: Final answer
    x = 11,878.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.