Home / 15,848.92-21,848.22-12,065.50

Finding the Fourth Proportional to 15,848.92, 21,848.22 and 12,065.50

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Solution

The fourth proportional to 15,848.92, 21,848.22 and 12,065.50 is: 16,632.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,848.92 : 21,848.22 = 12,065.50 : x
  2. Step 2: Convert to fraction form
    15,848.92/21,848.22 = 12,065.50/x
  3. Step 3: Cross multiply
    15,848.92x = 21,848.22 × 12,065.50
  4. Step 4: Simplify right side
    15,848.92x = 263,609,698.41
  5. Step 5: Solve for x
    x = 263,609,698.41/15,848.92
  6. Step 6: Final answer
    x = 16,632.66

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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.