Home / 25,540,589.75-35,246,004.63-13,938,153.26

Finding the Fourth Proportional to 25,540,589.75, 35,246,004.63 and 13,938,153.26

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Solution

The fourth proportional to 25,540,589.75, 35,246,004.63 and 13,938,153.26 is: 19,234,646.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,540,589.75 : 35,246,004.63 = 13,938,153.26 : x
  2. Step 2: Convert to fraction form
    25,540,589.75/35,246,004.63 = 13,938,153.26/x
  3. Step 3: Cross multiply
    25,540,589.75x = 35,246,004.63 × 13,938,153.26
  4. Step 4: Simplify right side
    25,540,589.75x = 491,264,214,335,609.62
  5. Step 5: Solve for x
    x = 491,264,214,335,609.62/25,540,589.75
  6. Step 6: Final answer
    x = 19,234,646.46

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Double scale
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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.