Home / 13,836.88-19,088.41-9,056.91

Finding the Fourth Proportional to 13,836.88, 19,088.41 and 9,056.91

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Solution

The fourth proportional to 13,836.88, 19,088.41 and 9,056.91 is: 12,494.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.88 : 19,088.41 = 9,056.91 : x
  2. Step 2: Convert to fraction form
    13,836.88/19,088.41 = 9,056.91/x
  3. Step 3: Cross multiply
    13,836.88x = 19,088.41 × 9,056.91
  4. Step 4: Simplify right side
    13,836.88x = 172,882,077.33
  5. Step 5: Solve for x
    x = 172,882,077.33/13,836.88
  6. Step 6: Final answer
    x = 12,494.30

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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.