Home / 13,598.28-18,747.70-9,341.83

Finding the Fourth Proportional to 13,598.28, 18,747.70 and 9,341.83

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Solution

The fourth proportional to 13,598.28, 18,747.70 and 9,341.83 is: 12,879.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.28 : 18,747.70 = 9,341.83 : x
  2. Step 2: Convert to fraction form
    13,598.28/18,747.70 = 9,341.83/x
  3. Step 3: Cross multiply
    13,598.28x = 18,747.70 × 9,341.83
  4. Step 4: Simplify right side
    13,598.28x = 175,137,878.92
  5. Step 5: Solve for x
    x = 175,137,878.92/13,598.28
  6. Step 6: Final answer
    x = 12,879.41

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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.