Home / 14,372.10-19,826.98-10,386.90

Finding the Fourth Proportional to 14,372.10, 19,826.98 and 10,386.90

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Solution

The fourth proportional to 14,372.10, 19,826.98 and 10,386.90 is: 14,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,372.10 : 19,826.98 = 10,386.90 : x
  2. Step 2: Convert to fraction form
    14,372.10/19,826.98 = 10,386.90/x
  3. Step 3: Cross multiply
    14,372.10x = 19,826.98 × 10,386.90
  4. Step 4: Simplify right side
    14,372.10x = 205,940,858.56
  5. Step 5: Solve for x
    x = 205,940,858.56/14,372.10
  6. Step 6: Final answer
    x = 14,329.21

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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.