Home / 18,914.45-26,101.55-10,416.13

Finding the Fourth Proportional to 18,914.45, 26,101.55 and 10,416.13

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Solution

The fourth proportional to 18,914.45, 26,101.55 and 10,416.13 is: 14,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,914.45 : 26,101.55 = 10,416.13 : x
  2. Step 2: Convert to fraction form
    18,914.45/26,101.55 = 10,416.13/x
  3. Step 3: Cross multiply
    18,914.45x = 26,101.55 × 10,416.13
  4. Step 4: Simplify right side
    18,914.45x = 271,877,138.00
  5. Step 5: Solve for x
    x = 271,877,138.00/18,914.45
  6. Step 6: Final answer
    x = 14,374.04

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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.