Home / 19,530.81-26,932.35-16,707.54

Finding the Fourth Proportional to 19,530.81, 26,932.35 and 16,707.54

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Solution

The fourth proportional to 19,530.81, 26,932.35 and 16,707.54 is: 23,039.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.81 : 26,932.35 = 16,707.54 : x
  2. Step 2: Convert to fraction form
    19,530.81/26,932.35 = 16,707.54/x
  3. Step 3: Cross multiply
    19,530.81x = 26,932.35 × 16,707.54
  4. Step 4: Simplify right side
    19,530.81x = 449,973,314.92
  5. Step 5: Solve for x
    x = 449,973,314.92/19,530.81
  6. Step 6: Final answer
    x = 23,039.15

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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.