Home / 19,436.20-29,153.13-11,435.45

Finding the Fourth Proportional to 19,436.20, 29,153.13 and 11,435.45

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Solution

The fourth proportional to 19,436.20, 29,153.13 and 11,435.45 is: 17,152.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.20 : 29,153.13 = 11,435.45 : x
  2. Step 2: Convert to fraction form
    19,436.20/29,153.13 = 11,435.45/x
  3. Step 3: Cross multiply
    19,436.20x = 29,153.13 × 11,435.45
  4. Step 4: Simplify right side
    19,436.20x = 333,379,160.46
  5. Step 5: Solve for x
    x = 333,379,160.46/19,436.20
  6. Step 6: Final answer
    x = 17,152.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.