Home / 14,187.29-19,578.18-8,885.03

Finding the Fourth Proportional to 14,187.29, 19,578.18 and 8,885.03

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Solution

The fourth proportional to 14,187.29, 19,578.18 and 8,885.03 is: 12,261.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.29 : 19,578.18 = 8,885.03 : x
  2. Step 2: Convert to fraction form
    14,187.29/19,578.18 = 8,885.03/x
  3. Step 3: Cross multiply
    14,187.29x = 19,578.18 × 8,885.03
  4. Step 4: Simplify right side
    14,187.29x = 173,952,765.59
  5. Step 5: Solve for x
    x = 173,952,765.59/14,187.29
  6. Step 6: Final answer
    x = 12,261.17

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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.