Home / 25,405.46-35,063.64-15,335.42

Finding the Fourth Proportional to 25,405.46, 35,063.64 and 15,335.42

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Solution

The fourth proportional to 25,405.46, 35,063.64 and 15,335.42 is: 21,165.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,405.46 : 35,063.64 = 15,335.42 : x
  2. Step 2: Convert to fraction form
    25,405.46/35,063.64 = 15,335.42/x
  3. Step 3: Cross multiply
    25,405.46x = 35,063.64 × 15,335.42
  4. Step 4: Simplify right side
    25,405.46x = 537,715,646.13
  5. Step 5: Solve for x
    x = 537,715,646.13/25,405.46
  6. Step 6: Final answer
    x = 21,165.36

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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.