Home / 22,160.62-30,581.74-12,088.98

Finding the Fourth Proportional to 22,160.62, 30,581.74 and 12,088.98

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Solution

The fourth proportional to 22,160.62, 30,581.74 and 12,088.98 is: 16,682.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,160.62 : 30,581.74 = 12,088.98 : x
  2. Step 2: Convert to fraction form
    22,160.62/30,581.74 = 12,088.98/x
  3. Step 3: Cross multiply
    22,160.62x = 30,581.74 × 12,088.98
  4. Step 4: Simplify right side
    22,160.62x = 369,702,043.23
  5. Step 5: Solve for x
    x = 369,702,043.23/22,160.62
  6. Step 6: Final answer
    x = 16,682.84

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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.