Home / 21,049.46-31,573.48-6,258.45

Finding the Fourth Proportional to 21,049.46, 31,573.48 and 6,258.45

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Solution

The fourth proportional to 21,049.46, 31,573.48 and 6,258.45 is: 9,387.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,049.46 : 31,573.48 = 6,258.45 : x
  2. Step 2: Convert to fraction form
    21,049.46/31,573.48 = 6,258.45/x
  3. Step 3: Cross multiply
    21,049.46x = 31,573.48 × 6,258.45
  4. Step 4: Simplify right side
    21,049.46x = 197,601,045.91
  5. Step 5: Solve for x
    x = 197,601,045.91/21,049.46
  6. Step 6: Final answer
    x = 9,387.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.