Home / 25,628.93-38,444.55-7,858.29

Finding the Fourth Proportional to 25,628.93, 38,444.55 and 7,858.29

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Solution

The fourth proportional to 25,628.93, 38,444.55 and 7,858.29 is: 11,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,628.93 : 38,444.55 = 7,858.29 : x
  2. Step 2: Convert to fraction form
    25,628.93/38,444.55 = 7,858.29/x
  3. Step 3: Cross multiply
    25,628.93x = 38,444.55 × 7,858.29
  4. Step 4: Simplify right side
    25,628.93x = 302,108,535.03
  5. Step 5: Solve for x
    x = 302,108,535.03/25,628.93
  6. Step 6: Final answer
    x = 11,787.79

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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.