Home / 22,124.10-30,528.99-13,171.98

Finding the Fourth Proportional to 22,124.10, 30,528.99 and 13,171.98

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Solution

The fourth proportional to 22,124.10, 30,528.99 and 13,171.98 is: 18,175.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,124.10 : 30,528.99 = 13,171.98 : x
  2. Step 2: Convert to fraction form
    22,124.10/30,528.99 = 13,171.98/x
  3. Step 3: Cross multiply
    22,124.10x = 30,528.99 × 13,171.98
  4. Step 4: Simplify right side
    22,124.10x = 402,127,245.70
  5. Step 5: Solve for x
    x = 402,127,245.70/22,124.10
  6. Step 6: Final answer
    x = 18,175.98

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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.