Home / 25,461.85-35,137.58-15,397.01

Finding the Fourth Proportional to 25,461.85, 35,137.58 and 15,397.01

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Solution

The fourth proportional to 25,461.85, 35,137.58 and 15,397.01 is: 21,248.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,461.85 : 35,137.58 = 15,397.01 : x
  2. Step 2: Convert to fraction form
    25,461.85/35,137.58 = 15,397.01/x
  3. Step 3: Cross multiply
    25,461.85x = 35,137.58 × 15,397.01
  4. Step 4: Simplify right side
    25,461.85x = 541,013,796.97
  5. Step 5: Solve for x
    x = 541,013,796.97/25,461.85
  6. Step 6: Final answer
    x = 21,248.02

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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.