Home / 14,153.75-19,534.52-8,188.91

Finding the Fourth Proportional to 14,153.75, 19,534.52 and 8,188.91

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Solution

The fourth proportional to 14,153.75, 19,534.52 and 8,188.91 is: 11,302.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.75 : 19,534.52 = 8,188.91 : x
  2. Step 2: Convert to fraction form
    14,153.75/19,534.52 = 8,188.91/x
  3. Step 3: Cross multiply
    14,153.75x = 19,534.52 × 8,188.91
  4. Step 4: Simplify right side
    14,153.75x = 159,966,348.97
  5. Step 5: Solve for x
    x = 159,966,348.97/14,153.75
  6. Step 6: Final answer
    x = 11,302.05

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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.