Home / 13,901.64-19,184.58-7,933.86

Finding the Fourth Proportional to 13,901.64, 19,184.58 and 7,933.86

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Solution

The fourth proportional to 13,901.64, 19,184.58 and 7,933.86 is: 10,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.64 : 19,184.58 = 7,933.86 : x
  2. Step 2: Convert to fraction form
    13,901.64/19,184.58 = 7,933.86/x
  3. Step 3: Cross multiply
    13,901.64x = 19,184.58 × 7,933.86
  4. Step 4: Simplify right side
    13,901.64x = 152,207,771.88
  5. Step 5: Solve for x
    x = 152,207,771.88/13,901.64
  6. Step 6: Final answer
    x = 10,948.91

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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.