Home / 23,176.14-31,966.08-15,215.46

Finding the Fourth Proportional to 23,176.14, 31,966.08 and 15,215.46

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Solution

The fourth proportional to 23,176.14, 31,966.08 and 15,215.46 is: 20,986.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,176.14 : 31,966.08 = 15,215.46 : x
  2. Step 2: Convert to fraction form
    23,176.14/31,966.08 = 15,215.46/x
  3. Step 3: Cross multiply
    23,176.14x = 31,966.08 × 15,215.46
  4. Step 4: Simplify right side
    23,176.14x = 486,378,611.60
  5. Step 5: Solve for x
    x = 486,378,611.60/23,176.14
  6. Step 6: Final answer
    x = 20,986.18

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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.