Home / 19,886.85-27,442.53-10,934.73

Finding the Fourth Proportional to 19,886.85, 27,442.53 and 10,934.73

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Solution

The fourth proportional to 19,886.85, 27,442.53 and 10,934.73 is: 15,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886.85 : 27,442.53 = 10,934.73 : x
  2. Step 2: Convert to fraction form
    19,886.85/27,442.53 = 10,934.73/x
  3. Step 3: Cross multiply
    19,886.85x = 27,442.53 × 10,934.73
  4. Step 4: Simplify right side
    19,886.85x = 300,076,656.07
  5. Step 5: Solve for x
    x = 300,076,656.07/19,886.85
  6. Step 6: Final answer
    x = 15,089.20

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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.