Home / 13,901.55-19,183.40-7,933.77

Finding the Fourth Proportional to 13,901.55, 19,183.40 and 7,933.77

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Solution

The fourth proportional to 13,901.55, 19,183.40 and 7,933.77 is: 10,948.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.55 : 19,183.40 = 7,933.77 : x
  2. Step 2: Convert to fraction form
    13,901.55/19,183.40 = 7,933.77/x
  3. Step 3: Cross multiply
    13,901.55x = 19,183.40 × 7,933.77
  4. Step 4: Simplify right side
    13,901.55x = 152,196,643.75
  5. Step 5: Solve for x
    x = 152,196,643.75/13,901.55
  6. Step 6: Final answer
    x = 10,948.18

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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.