Home / 16,130.34-22,227.21-11,639.70

Finding the Fourth Proportional to 16,130.34, 22,227.21 and 11,639.70

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Solution

The fourth proportional to 16,130.34, 22,227.21 and 11,639.70 is: 16,039.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,130.34 : 22,227.21 = 11,639.70 : x
  2. Step 2: Convert to fraction form
    16,130.34/22,227.21 = 11,639.70/x
  3. Step 3: Cross multiply
    16,130.34x = 22,227.21 × 11,639.70
  4. Step 4: Simplify right side
    16,130.34x = 258,718,056.24
  5. Step 5: Solve for x
    x = 258,718,056.24/16,130.34
  6. Step 6: Final answer
    x = 16,039.22

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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.