Home / 19,226.55-26,532.09-10,728.71

Finding the Fourth Proportional to 19,226.55, 26,532.09 and 10,728.71

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Solution

The fourth proportional to 19,226.55, 26,532.09 and 10,728.71 is: 14,805.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.55 : 26,532.09 = 10,728.71 : x
  2. Step 2: Convert to fraction form
    19,226.55/26,532.09 = 10,728.71/x
  3. Step 3: Cross multiply
    19,226.55x = 26,532.09 × 10,728.71
  4. Step 4: Simplify right side
    19,226.55x = 284,654,966.64
  5. Step 5: Solve for x
    x = 284,654,966.64/19,226.55
  6. Step 6: Final answer
    x = 14,805.31

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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.