Home / 14,103.45-21,170.57-10,394.19

Finding the Fourth Proportional to 14,103.45, 21,170.57 and 10,394.19

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Solution

The fourth proportional to 14,103.45, 21,170.57 and 10,394.19 is: 15,602.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.45 : 21,170.57 = 10,394.19 : x
  2. Step 2: Convert to fraction form
    14,103.45/21,170.57 = 10,394.19/x
  3. Step 3: Cross multiply
    14,103.45x = 21,170.57 × 10,394.19
  4. Step 4: Simplify right side
    14,103.45x = 220,050,875.02
  5. Step 5: Solve for x
    x = 220,050,875.02/14,103.45
  6. Step 6: Final answer
    x = 15,602.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.