Home / 25,378.10-35,016.95-16,424.36

Finding the Fourth Proportional to 25,378.10, 35,016.95 and 16,424.36

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Solution

The fourth proportional to 25,378.10, 35,016.95 and 16,424.36 is: 22,662.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378.10 : 35,016.95 = 16,424.36 : x
  2. Step 2: Convert to fraction form
    25,378.10/35,016.95 = 16,424.36/x
  3. Step 3: Cross multiply
    25,378.10x = 35,016.95 × 16,424.36
  4. Step 4: Simplify right side
    25,378.10x = 575,130,858.88
  5. Step 5: Solve for x
    x = 575,130,858.88/25,378.10
  6. Step 6: Final answer
    x = 22,662.49

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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.