Home / 25,639.13-38,453.82-10,858.43

Finding the Fourth Proportional to 25,639.13, 38,453.82 and 10,858.43

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Solution

The fourth proportional to 25,639.13, 38,453.82 and 10,858.43 is: 16,285.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,639.13 : 38,453.82 = 10,858.43 : x
  2. Step 2: Convert to fraction form
    25,639.13/38,453.82 = 10,858.43/x
  3. Step 3: Cross multiply
    25,639.13x = 38,453.82 × 10,858.43
  4. Step 4: Simplify right side
    25,639.13x = 417,547,920.43
  5. Step 5: Solve for x
    x = 417,547,920.43/25,639.13
  6. Step 6: Final answer
    x = 16,285.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.