Home / 25,669.13-35,422.33-14,338.57

Finding the Fourth Proportional to 25,669.13, 35,422.33 and 14,338.57

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Solution

The fourth proportional to 25,669.13, 35,422.33 and 14,338.57 is: 19,786.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,669.13 : 35,422.33 = 14,338.57 : x
  2. Step 2: Convert to fraction form
    25,669.13/35,422.33 = 14,338.57/x
  3. Step 3: Cross multiply
    25,669.13x = 35,422.33 × 14,338.57
  4. Step 4: Simplify right side
    25,669.13x = 507,905,558.27
  5. Step 5: Solve for x
    x = 507,905,558.27/25,669.13
  6. Step 6: Final answer
    x = 19,786.63

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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.