Home / 14,440.68-19,928.43-8,153.19

Finding the Fourth Proportional to 14,440.68, 19,928.43 and 8,153.19

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Solution

The fourth proportional to 14,440.68, 19,928.43 and 8,153.19 is: 11,251.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.68 : 19,928.43 = 8,153.19 : x
  2. Step 2: Convert to fraction form
    14,440.68/19,928.43 = 8,153.19/x
  3. Step 3: Cross multiply
    14,440.68x = 19,928.43 × 8,153.19
  4. Step 4: Simplify right side
    14,440.68x = 162,480,276.19
  5. Step 5: Solve for x
    x = 162,480,276.19/14,440.68
  6. Step 6: Final answer
    x = 11,251.57

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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.