Home / 25,418.55-35,077.08-15,347.41

Finding the Fourth Proportional to 25,418.55, 35,077.08 and 15,347.41

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Solution

The fourth proportional to 25,418.55, 35,077.08 and 15,347.41 is: 21,179.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,418.55 : 35,077.08 = 15,347.41 : x
  2. Step 2: Convert to fraction form
    25,418.55/35,077.08 = 15,347.41/x
  3. Step 3: Cross multiply
    25,418.55x = 35,077.08 × 15,347.41
  4. Step 4: Simplify right side
    25,418.55x = 538,342,328.36
  5. Step 5: Solve for x
    x = 538,342,328.36/25,418.55
  6. Step 6: Final answer
    x = 21,179.11

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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.