Home / 14,725.33-20,315.95-8,351.22

Finding the Fourth Proportional to 14,725.33, 20,315.95 and 8,351.22

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Solution

The fourth proportional to 14,725.33, 20,315.95 and 8,351.22 is: 11,521.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,725.33 : 20,315.95 = 8,351.22 : x
  2. Step 2: Convert to fraction form
    14,725.33/20,315.95 = 8,351.22/x
  3. Step 3: Cross multiply
    14,725.33x = 20,315.95 × 8,351.22
  4. Step 4: Simplify right side
    14,725.33x = 169,662,967.96
  5. Step 5: Solve for x
    x = 169,662,967.96/14,725.33
  6. Step 6: Final answer
    x = 11,521.84

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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.