Home / 22,154.58-30,579.64-12,599.62

Finding the Fourth Proportional to 22,154.58, 30,579.64 and 12,599.62

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Solution

The fourth proportional to 22,154.58, 30,579.64 and 12,599.62 is: 17,391.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,154.58 : 30,579.64 = 12,599.62 : x
  2. Step 2: Convert to fraction form
    22,154.58/30,579.64 = 12,599.62/x
  3. Step 3: Cross multiply
    22,154.58x = 30,579.64 × 12,599.62
  4. Step 4: Simplify right side
    22,154.58x = 385,291,806.66
  5. Step 5: Solve for x
    x = 385,291,806.66/22,154.58
  6. Step 6: Final answer
    x = 17,391.07

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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.