Home / 25,406.24-38,107.92-7,875.52

Finding the Fourth Proportional to 25,406.24, 38,107.92 and 7,875.52

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Solution

The fourth proportional to 25,406.24, 38,107.92 and 7,875.52 is: 11,812.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,406.24 : 38,107.92 = 7,875.52 : x
  2. Step 2: Convert to fraction form
    25,406.24/38,107.92 = 7,875.52/x
  3. Step 3: Cross multiply
    25,406.24x = 38,107.92 × 7,875.52
  4. Step 4: Simplify right side
    25,406.24x = 300,119,686.12
  5. Step 5: Solve for x
    x = 300,119,686.12/25,406.24
  6. Step 6: Final answer
    x = 11,812.83

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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.