Home / 13,264.56-18,322.20-11,527.92

Finding the Fourth Proportional to 13,264.56, 18,322.20 and 11,527.92

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Solution

The fourth proportional to 13,264.56, 18,322.20 and 11,527.92 is: 15,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.56 : 18,322.20 = 11,527.92 : x
  2. Step 2: Convert to fraction form
    13,264.56/18,322.20 = 11,527.92/x
  3. Step 3: Cross multiply
    13,264.56x = 18,322.20 × 11,527.92
  4. Step 4: Simplify right side
    13,264.56x = 211,216,855.82
  5. Step 5: Solve for x
    x = 211,216,855.82/13,264.56
  6. Step 6: Final answer
    x = 15,923.40

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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.