Home / 19,672.67-27,158.34-13,332.75

Finding the Fourth Proportional to 19,672.67, 27,158.34 and 13,332.75

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Solution

The fourth proportional to 19,672.67, 27,158.34 and 13,332.75 is: 18,406.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.67 : 27,158.34 = 13,332.75 : x
  2. Step 2: Convert to fraction form
    19,672.67/27,158.34 = 13,332.75/x
  3. Step 3: Cross multiply
    19,672.67x = 27,158.34 × 13,332.75
  4. Step 4: Simplify right side
    19,672.67x = 362,095,357.64
  5. Step 5: Solve for x
    x = 362,095,357.64/19,672.67
  6. Step 6: Final answer
    x = 18,406.01

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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.