Home / 15,800.89-23,701.42-5,270.88

Finding the Fourth Proportional to 15,800.89, 23,701.42 and 5,270.88

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Solution

The fourth proportional to 15,800.89, 23,701.42 and 5,270.88 is: 7,906.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800.89 : 23,701.42 = 5,270.88 : x
  2. Step 2: Convert to fraction form
    15,800.89/23,701.42 = 5,270.88/x
  3. Step 3: Cross multiply
    15,800.89x = 23,701.42 × 5,270.88
  4. Step 4: Simplify right side
    15,800.89x = 124,927,419.67
  5. Step 5: Solve for x
    x = 124,927,419.67/15,800.89
  6. Step 6: Final answer
    x = 7,906.35

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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.