Home / 22,160.84-30,581.30-12,089.48

Finding the Fourth Proportional to 22,160.84, 30,581.30 and 12,089.48

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Solution

The fourth proportional to 22,160.84, 30,581.30 and 12,089.48 is: 16,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,160.84 : 30,581.30 = 12,089.48 : x
  2. Step 2: Convert to fraction form
    22,160.84/30,581.30 = 12,089.48/x
  3. Step 3: Cross multiply
    22,160.84x = 30,581.30 × 12,089.48
  4. Step 4: Simplify right side
    22,160.84x = 369,711,954.28
  5. Step 5: Solve for x
    x = 369,711,954.28/22,160.84
  6. Step 6: Final answer
    x = 16,683.12

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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.