Home / 13,707.60-18,916.66-8,042.06

Finding the Fourth Proportional to 13,707.60, 18,916.66 and 8,042.06

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Solution

The fourth proportional to 13,707.60, 18,916.66 and 8,042.06 is: 11,098.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707.60 : 18,916.66 = 8,042.06 : x
  2. Step 2: Convert to fraction form
    13,707.60/18,916.66 = 8,042.06/x
  3. Step 3: Cross multiply
    13,707.60x = 18,916.66 × 8,042.06
  4. Step 4: Simplify right side
    13,707.60x = 152,128,914.72
  5. Step 5: Solve for x
    x = 152,128,914.72/13,707.60
  6. Step 6: Final answer
    x = 11,098.14

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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.