Home / 13,957.12-19,256.06-8,650

Finding the Fourth Proportional to 13,957.12, 19,256.06 and 8,650

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Solution

The fourth proportional to 13,957.12, 19,256.06 and 8,650 is: 11,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.12 : 19,256.06 = 8,650 : x
  2. Step 2: Convert to fraction form
    13,957.12/19,256.06 = 8,650/x
  3. Step 3: Cross multiply
    13,957.12x = 19,256.06 × 8,650
  4. Step 4: Simplify right side
    13,957.12x = 166,564,919
  5. Step 5: Solve for x
    x = 166,564,919/13,957.12
  6. Step 6: Final answer
    x = 11,934.05

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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.