Home / 13,322.66-18,368.19-10,923.80

Finding the Fourth Proportional to 13,322.66, 18,368.19 and 10,923.80

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Solution

The fourth proportional to 13,322.66, 18,368.19 and 10,923.80 is: 15,060.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.66 : 18,368.19 = 10,923.80 : x
  2. Step 2: Convert to fraction form
    13,322.66/18,368.19 = 10,923.80/x
  3. Step 3: Cross multiply
    13,322.66x = 18,368.19 × 10,923.80
  4. Step 4: Simplify right side
    13,322.66x = 200,650,433.92
  5. Step 5: Solve for x
    x = 200,650,433.92/13,322.66
  6. Step 6: Final answer
    x = 15,060.84

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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.