Home / 25,415.12-35,080.14-17,863.28

Finding the Fourth Proportional to 25,415.12, 35,080.14 and 17,863.28

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Solution

The fourth proportional to 25,415.12, 35,080.14 and 17,863.28 is: 24,656.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,415.12 : 35,080.14 = 17,863.28 : x
  2. Step 2: Convert to fraction form
    25,415.12/35,080.14 = 17,863.28/x
  3. Step 3: Cross multiply
    25,415.12x = 35,080.14 × 17,863.28
  4. Step 4: Simplify right side
    25,415.12x = 626,646,363.26
  5. Step 5: Solve for x
    x = 626,646,363.26/25,415.12
  6. Step 6: Final answer
    x = 24,656.44

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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.