Home / 22,795.18-31,458.93-12,725.60

Finding the Fourth Proportional to 22,795.18, 31,458.93 and 12,725.60

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Solution

The fourth proportional to 22,795.18, 31,458.93 and 12,725.60 is: 17,562.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,795.18 : 31,458.93 = 12,725.60 : x
  2. Step 2: Convert to fraction form
    22,795.18/31,458.93 = 12,725.60/x
  3. Step 3: Cross multiply
    22,795.18x = 31,458.93 × 12,725.60
  4. Step 4: Simplify right side
    22,795.18x = 400,333,759.61
  5. Step 5: Solve for x
    x = 400,333,759.61/22,795.18
  6. Step 6: Final answer
    x = 17,562.21

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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.