Home / 22,212.79-30,653.60-12,652.67

Finding the Fourth Proportional to 22,212.79, 30,653.60 and 12,652.67

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Solution

The fourth proportional to 22,212.79, 30,653.60 and 12,652.67 is: 17,460.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,212.79 : 30,653.60 = 12,652.67 : x
  2. Step 2: Convert to fraction form
    22,212.79/30,653.60 = 12,652.67/x
  3. Step 3: Cross multiply
    22,212.79x = 30,653.60 × 12,652.67
  4. Step 4: Simplify right side
    22,212.79x = 387,849,863.77
  5. Step 5: Solve for x
    x = 387,849,863.77/22,212.79
  6. Step 6: Final answer
    x = 17,460.66

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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.