Home / 25,221.30-34,768.05-16,145.34

Finding the Fourth Proportional to 25,221.30, 34,768.05 and 16,145.34

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Solution

The fourth proportional to 25,221.30, 34,768.05 and 16,145.34 is: 22,256.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,221.30 : 34,768.05 = 16,145.34 : x
  2. Step 2: Convert to fraction form
    25,221.30/34,768.05 = 16,145.34/x
  3. Step 3: Cross multiply
    25,221.30x = 34,768.05 × 16,145.34
  4. Step 4: Simplify right side
    25,221.30x = 561,341,988.39
  5. Step 5: Solve for x
    x = 561,341,988.39/25,221.30
  6. Step 6: Final answer
    x = 22,256.66

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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.