Home / 25,429.16-38,143.73-9,846.79

Finding the Fourth Proportional to 25,429.16, 38,143.73 and 9,846.79

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Solution

The fourth proportional to 25,429.16, 38,143.73 and 9,846.79 is: 14,770.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,429.16 : 38,143.73 = 9,846.79 : x
  2. Step 2: Convert to fraction form
    25,429.16/38,143.73 = 9,846.79/x
  3. Step 3: Cross multiply
    25,429.16x = 38,143.73 × 9,846.79
  4. Step 4: Simplify right side
    25,429.16x = 375,593,299.13
  5. Step 5: Solve for x
    x = 375,593,299.13/25,429.16
  6. Step 6: Final answer
    x = 14,770.18

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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.