Home / 14,153.64-19,534.38-8,188.92

Finding the Fourth Proportional to 14,153.64, 19,534.38 and 8,188.92

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Solution

The fourth proportional to 14,153.64, 19,534.38 and 8,188.92 is: 11,302.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.64 : 19,534.38 = 8,188.92 : x
  2. Step 2: Convert to fraction form
    14,153.64/19,534.38 = 8,188.92/x
  3. Step 3: Cross multiply
    14,153.64x = 19,534.38 × 8,188.92
  4. Step 4: Simplify right side
    14,153.64x = 159,965,475.07
  5. Step 5: Solve for x
    x = 159,965,475.07/14,153.64
  6. Step 6: Final answer
    x = 11,302.07

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Double scale
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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.