Home / 18,529.01-25,569.78-10,145.51

Finding the Fourth Proportional to 18,529.01, 25,569.78 and 10,145.51

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Solution

The fourth proportional to 18,529.01, 25,569.78 and 10,145.51 is: 14,000.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.01 : 25,569.78 = 10,145.51 : x
  2. Step 2: Convert to fraction form
    18,529.01/25,569.78 = 10,145.51/x
  3. Step 3: Cross multiply
    18,529.01x = 25,569.78 × 10,145.51
  4. Step 4: Simplify right side
    18,529.01x = 259,418,458.69
  5. Step 5: Solve for x
    x = 259,418,458.69/18,529.01
  6. Step 6: Final answer
    x = 14,000.66

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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.