Home / 14,156.19-19,535.36-8,187.74

Finding the Fourth Proportional to 14,156.19, 19,535.36 and 8,187.74

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Solution

The fourth proportional to 14,156.19, 19,535.36 and 8,187.74 is: 11,298.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.19 : 19,535.36 = 8,187.74 : x
  2. Step 2: Convert to fraction form
    14,156.19/19,535.36 = 8,187.74/x
  3. Step 3: Cross multiply
    14,156.19x = 19,535.36 × 8,187.74
  4. Step 4: Simplify right side
    14,156.19x = 159,950,309.87
  5. Step 5: Solve for x
    x = 159,950,309.87/14,156.19
  6. Step 6: Final answer
    x = 11,298.97

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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.