Home / 19,331.54-26,685.69-13,052.42

Finding the Fourth Proportional to 19,331.54, 26,685.69 and 13,052.42

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Solution

The fourth proportional to 19,331.54, 26,685.69 and 13,052.42 is: 18,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.54 : 26,685.69 = 13,052.42 : x
  2. Step 2: Convert to fraction form
    19,331.54/26,685.69 = 13,052.42/x
  3. Step 3: Cross multiply
    19,331.54x = 26,685.69 × 13,052.42
  4. Step 4: Simplify right side
    19,331.54x = 348,312,833.87
  5. Step 5: Solve for x
    x = 348,312,833.87/19,331.54
  6. Step 6: Final answer
    x = 18,017.85

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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.