Home / 13,154.81-19,732.41-4,836.78

Finding the Fourth Proportional to 13,154.81, 19,732.41 and 4,836.78

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Solution

The fourth proportional to 13,154.81, 19,732.41 and 4,836.78 is: 7,255.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154.81 : 19,732.41 = 4,836.78 : x
  2. Step 2: Convert to fraction form
    13,154.81/19,732.41 = 4,836.78/x
  3. Step 3: Cross multiply
    13,154.81x = 19,732.41 × 4,836.78
  4. Step 4: Simplify right side
    13,154.81x = 95,441,326.04
  5. Step 5: Solve for x
    x = 95,441,326.04/13,154.81
  6. Step 6: Final answer
    x = 7,255.24

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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.