Home / 13,404.59-18,492.27-8,370.07

Finding the Fourth Proportional to 13,404.59, 18,492.27 and 8,370.07

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Solution

The fourth proportional to 13,404.59, 18,492.27 and 8,370.07 is: 11,546.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404.59 : 18,492.27 = 8,370.07 : x
  2. Step 2: Convert to fraction form
    13,404.59/18,492.27 = 8,370.07/x
  3. Step 3: Cross multiply
    13,404.59x = 18,492.27 × 8,370.07
  4. Step 4: Simplify right side
    13,404.59x = 154,781,594.36
  5. Step 5: Solve for x
    x = 154,781,594.36/13,404.59
  6. Step 6: Final answer
    x = 11,546.91

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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.