Home / 25,718.85-35,493.66-14,389.65

Finding the Fourth Proportional to 25,718.85, 35,493.66 and 14,389.65

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Solution

The fourth proportional to 25,718.85, 35,493.66 and 14,389.65 is: 19,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.85 : 35,493.66 = 14,389.65 : x
  2. Step 2: Convert to fraction form
    25,718.85/35,493.66 = 14,389.65/x
  3. Step 3: Cross multiply
    25,718.85x = 35,493.66 × 14,389.65
  4. Step 4: Simplify right side
    25,718.85x = 510,741,344.62
  5. Step 5: Solve for x
    x = 510,741,344.62/25,718.85
  6. Step 6: Final answer
    x = 19,858.64

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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.