Home / 25,615.62-35,351.88-15,546.63

Finding the Fourth Proportional to 25,615.62, 35,351.88 and 15,546.63

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Solution

The fourth proportional to 25,615.62, 35,351.88 and 15,546.63 is: 21,455.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,615.62 : 35,351.88 = 15,546.63 : x
  2. Step 2: Convert to fraction form
    25,615.62/35,351.88 = 15,546.63/x
  3. Step 3: Cross multiply
    25,615.62x = 35,351.88 × 15,546.63
  4. Step 4: Simplify right side
    25,615.62x = 549,602,598.16
  5. Step 5: Solve for x
    x = 549,602,598.16/25,615.62
  6. Step 6: Final answer
    x = 21,455.76

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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.