Home / 23,009.80-34,514.70-11,320.60

Finding the Fourth Proportional to 23,009.80, 34,514.70 and 11,320.60

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Solution

The fourth proportional to 23,009.80, 34,514.70 and 11,320.60 is: 16,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,009.80 : 34,514.70 = 11,320.60 : x
  2. Step 2: Convert to fraction form
    23,009.80/34,514.70 = 11,320.60/x
  3. Step 3: Cross multiply
    23,009.80x = 34,514.70 × 11,320.60
  4. Step 4: Simplify right side
    23,009.80x = 390,727,112.82
  5. Step 5: Solve for x
    x = 390,727,112.82/23,009.80
  6. Step 6: Final answer
    x = 16,980.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.