Home / 15,731.84-23,601.86-5,871.20

Finding the Fourth Proportional to 15,731.84, 23,601.86 and 5,871.20

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Solution

The fourth proportional to 15,731.84, 23,601.86 and 5,871.20 is: 8,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,731.84 : 23,601.86 = 5,871.20 : x
  2. Step 2: Convert to fraction form
    15,731.84/23,601.86 = 5,871.20/x
  3. Step 3: Cross multiply
    15,731.84x = 23,601.86 × 5,871.20
  4. Step 4: Simplify right side
    15,731.84x = 138,571,093.07
  5. Step 5: Solve for x
    x = 138,571,093.07/15,731.84
  6. Step 6: Final answer
    x = 8,808.32

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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.