Home / 25,785.13-38,671.42-10,784.13

Finding the Fourth Proportional to 25,785.13, 38,671.42 and 10,784.13

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Solution

The fourth proportional to 25,785.13, 38,671.42 and 10,784.13 is: 16,173.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,785.13 : 38,671.42 = 10,784.13 : x
  2. Step 2: Convert to fraction form
    25,785.13/38,671.42 = 10,784.13/x
  3. Step 3: Cross multiply
    25,785.13x = 38,671.42 × 10,784.13
  4. Step 4: Simplify right side
    25,785.13x = 417,037,373.29
  5. Step 5: Solve for x
    x = 417,037,373.29/25,785.13
  6. Step 6: Final answer
    x = 16,173.56

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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.