Home / 25,158.68-34,718.94-13,828.90

Finding the Fourth Proportional to 25,158.68, 34,718.94 and 13,828.90

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Solution

The fourth proportional to 25,158.68, 34,718.94 and 13,828.90 is: 19,083.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,158.68 : 34,718.94 = 13,828.90 : x
  2. Step 2: Convert to fraction form
    25,158.68/34,718.94 = 13,828.90/x
  3. Step 3: Cross multiply
    25,158.68x = 34,718.94 × 13,828.90
  4. Step 4: Simplify right side
    25,158.68x = 480,124,749.37
  5. Step 5: Solve for x
    x = 480,124,749.37/25,158.68
  6. Step 6: Final answer
    x = 19,083.86

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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.