Home / 13,876.57-19,153.23-8,568.34

Finding the Fourth Proportional to 13,876.57, 19,153.23 and 8,568.34

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Solution

The fourth proportional to 13,876.57, 19,153.23 and 8,568.34 is: 11,826.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.57 : 19,153.23 = 8,568.34 : x
  2. Step 2: Convert to fraction form
    13,876.57/19,153.23 = 8,568.34/x
  3. Step 3: Cross multiply
    13,876.57x = 19,153.23 × 8,568.34
  4. Step 4: Simplify right side
    13,876.57x = 164,111,386.74
  5. Step 5: Solve for x
    x = 164,111,386.74/13,876.57
  6. Step 6: Final answer
    x = 11,826.51

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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.