Home / 13,975.74-20,932.02-7,385.58

Finding the Fourth Proportional to 13,975.74, 20,932.02 and 7,385.58

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Solution

The fourth proportional to 13,975.74, 20,932.02 and 7,385.58 is: 11,061.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.74 : 20,932.02 = 7,385.58 : x
  2. Step 2: Convert to fraction form
    13,975.74/20,932.02 = 7,385.58/x
  3. Step 3: Cross multiply
    13,975.74x = 20,932.02 × 7,385.58
  4. Step 4: Simplify right side
    13,975.74x = 154,595,108.27
  5. Step 5: Solve for x
    x = 154,595,108.27/13,975.74
  6. Step 6: Final answer
    x = 11,061.68

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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.