Home / 13,402.36-20,106.30-4,636.12

Finding the Fourth Proportional to 13,402.36, 20,106.30 and 4,636.12

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Solution

The fourth proportional to 13,402.36, 20,106.30 and 4,636.12 is: 6,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402.36 : 20,106.30 = 4,636.12 : x
  2. Step 2: Convert to fraction form
    13,402.36/20,106.30 = 4,636.12/x
  3. Step 3: Cross multiply
    13,402.36x = 20,106.30 × 4,636.12
  4. Step 4: Simplify right side
    13,402.36x = 93,215,219.56
  5. Step 5: Solve for x
    x = 93,215,219.56/13,402.36
  6. Step 6: Final answer
    x = 6,955.13

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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.