Home / 22,725.44-31,354.80-14,655.68

Finding the Fourth Proportional to 22,725.44, 31,354.80 and 14,655.68

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Solution

The fourth proportional to 22,725.44, 31,354.80 and 14,655.68 is: 20,220.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,725.44 : 31,354.80 = 14,655.68 : x
  2. Step 2: Convert to fraction form
    22,725.44/31,354.80 = 14,655.68/x
  3. Step 3: Cross multiply
    22,725.44x = 31,354.80 × 14,655.68
  4. Step 4: Simplify right side
    22,725.44x = 459,525,915.26
  5. Step 5: Solve for x
    x = 459,525,915.26/22,725.44
  6. Step 6: Final answer
    x = 20,220.77

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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.