Home / 25,449.36-35,120.12-14,271.36

Finding the Fourth Proportional to 25,449.36, 35,120.12 and 14,271.36

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Solution

The fourth proportional to 25,449.36, 35,120.12 and 14,271.36 is: 19,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,449.36 : 35,120.12 = 14,271.36 : x
  2. Step 2: Convert to fraction form
    25,449.36/35,120.12 = 14,271.36/x
  3. Step 3: Cross multiply
    25,449.36x = 35,120.12 × 14,271.36
  4. Step 4: Simplify right side
    25,449.36x = 501,211,875.76
  5. Step 5: Solve for x
    x = 501,211,875.76/25,449.36
  6. Step 6: Final answer
    x = 19,694.48

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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.