Home / 26,168.65-36,122.01-15,558.23

Finding the Fourth Proportional to 26,168.65, 36,122.01 and 15,558.23

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Solution

The fourth proportional to 26,168.65, 36,122.01 and 15,558.23 is: 21,475.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,168.65 : 36,122.01 = 15,558.23 : x
  2. Step 2: Convert to fraction form
    26,168.65/36,122.01 = 15,558.23/x
  3. Step 3: Cross multiply
    26,168.65x = 36,122.01 × 15,558.23
  4. Step 4: Simplify right side
    26,168.65x = 561,994,539.64
  5. Step 5: Solve for x
    x = 561,994,539.64/26,168.65
  6. Step 6: Final answer
    x = 21,475.87

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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.