Home / 22,725.35-31,360.70-12,653.52

Finding the Fourth Proportional to 22,725.35, 31,360.70 and 12,653.52

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Solution

The fourth proportional to 22,725.35, 31,360.70 and 12,653.52 is: 17,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,725.35 : 31,360.70 = 12,653.52 : x
  2. Step 2: Convert to fraction form
    22,725.35/31,360.70 = 12,653.52/x
  3. Step 3: Cross multiply
    22,725.35x = 31,360.70 × 12,653.52
  4. Step 4: Simplify right side
    22,725.35x = 396,823,181.40
  5. Step 5: Solve for x
    x = 396,823,181.40/22,725.35
  6. Step 6: Final answer
    x = 17,461.70

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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.