Home / 14,151.20-19,529.52-7,863.52

Finding the Fourth Proportional to 14,151.20, 19,529.52 and 7,863.52

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Solution

The fourth proportional to 14,151.20, 19,529.52 and 7,863.52 is: 10,852.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.20 : 19,529.52 = 7,863.52 : x
  2. Step 2: Convert to fraction form
    14,151.20/19,529.52 = 7,863.52/x
  3. Step 3: Cross multiply
    14,151.20x = 19,529.52 × 7,863.52
  4. Step 4: Simplify right side
    14,151.20x = 153,570,771.11
  5. Step 5: Solve for x
    x = 153,570,771.11/14,151.20
  6. Step 6: Final answer
    x = 10,852.14

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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.