Home / 14,125.75-19,496.99-8,156.53

Finding the Fourth Proportional to 14,125.75, 19,496.99 and 8,156.53

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Solution

The fourth proportional to 14,125.75, 19,496.99 and 8,156.53 is: 11,258.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.75 : 19,496.99 = 8,156.53 : x
  2. Step 2: Convert to fraction form
    14,125.75/19,496.99 = 8,156.53/x
  3. Step 3: Cross multiply
    14,125.75x = 19,496.99 × 8,156.53
  4. Step 4: Simplify right side
    14,125.75x = 159,027,783.84
  5. Step 5: Solve for x
    x = 159,027,783.84/14,125.75
  6. Step 6: Final answer
    x = 11,258.01

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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.