Home / 25,389.38-35,037.39-14,786.12

Finding the Fourth Proportional to 25,389.38, 35,037.39 and 14,786.12

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Solution

The fourth proportional to 25,389.38, 35,037.39 and 14,786.12 is: 20,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,389.38 : 35,037.39 = 14,786.12 : x
  2. Step 2: Convert to fraction form
    25,389.38/35,037.39 = 14,786.12/x
  3. Step 3: Cross multiply
    25,389.38x = 35,037.39 × 14,786.12
  4. Step 4: Simplify right side
    25,389.38x = 518,066,877.84
  5. Step 5: Solve for x
    x = 518,066,877.84/25,389.38
  6. Step 6: Final answer
    x = 20,404.87

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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.