Home / 14,070.60-19,419.78-8,101.16

Finding the Fourth Proportional to 14,070.60, 19,419.78 and 8,101.16

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Solution

The fourth proportional to 14,070.60, 19,419.78 and 8,101.16 is: 11,180.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.60 : 19,419.78 = 8,101.16 : x
  2. Step 2: Convert to fraction form
    14,070.60/19,419.78 = 8,101.16/x
  3. Step 3: Cross multiply
    14,070.60x = 19,419.78 × 8,101.16
  4. Step 4: Simplify right side
    14,070.60x = 157,322,744.94
  5. Step 5: Solve for x
    x = 157,322,744.94/14,070.60
  6. Step 6: Final answer
    x = 11,180.95

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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.