Home / 23,134.59-31,917.89-15,064.56

Finding the Fourth Proportional to 23,134.59, 31,917.89 and 15,064.56

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Solution

The fourth proportional to 23,134.59, 31,917.89 and 15,064.56 is: 20,783.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,134.59 : 31,917.89 = 15,064.56 : x
  2. Step 2: Convert to fraction form
    23,134.59/31,917.89 = 15,064.56/x
  3. Step 3: Cross multiply
    23,134.59x = 31,917.89 × 15,064.56
  4. Step 4: Simplify right side
    23,134.59x = 480,828,893.66
  5. Step 5: Solve for x
    x = 480,828,893.66/23,134.59
  6. Step 6: Final answer
    x = 20,783.98

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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.