Home / 13,949.68-19,263.06-10,406.74

Finding the Fourth Proportional to 13,949.68, 19,263.06 and 10,406.74

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Solution

The fourth proportional to 13,949.68, 19,263.06 and 10,406.74 is: 14,370.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.68 : 19,263.06 = 10,406.74 : x
  2. Step 2: Convert to fraction form
    13,949.68/19,263.06 = 10,406.74/x
  3. Step 3: Cross multiply
    13,949.68x = 19,263.06 × 10,406.74
  4. Step 4: Simplify right side
    13,949.68x = 200,465,657.02
  5. Step 5: Solve for x
    x = 200,465,657.02/13,949.68
  6. Step 6: Final answer
    x = 14,370.63

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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.