Home / 14,411.11-19,886.63-8,038.37

Finding the Fourth Proportional to 14,411.11, 19,886.63 and 8,038.37

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Solution

The fourth proportional to 14,411.11, 19,886.63 and 8,038.37 is: 11,092.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,411.11 : 19,886.63 = 8,038.37 : x
  2. Step 2: Convert to fraction form
    14,411.11/19,886.63 = 8,038.37/x
  3. Step 3: Cross multiply
    14,411.11x = 19,886.63 × 8,038.37
  4. Step 4: Simplify right side
    14,411.11x = 159,856,089.99
  5. Step 5: Solve for x
    x = 159,856,089.99/14,411.11
  6. Step 6: Final answer
    x = 11,092.56

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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.