Home / 13,392.75-20,101.53-6,823.83

Finding the Fourth Proportional to 13,392.75, 20,101.53 and 6,823.83

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Solution

The fourth proportional to 13,392.75, 20,101.53 and 6,823.83 is: 10,242.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392.75 : 20,101.53 = 6,823.83 : x
  2. Step 2: Convert to fraction form
    13,392.75/20,101.53 = 6,823.83/x
  3. Step 3: Cross multiply
    13,392.75x = 20,101.53 × 6,823.83
  4. Step 4: Simplify right side
    13,392.75x = 137,169,423.46
  5. Step 5: Solve for x
    x = 137,169,423.46/13,392.75
  6. Step 6: Final answer
    x = 10,242.07

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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.