Home / 13,700.69-20,551.63-4,341.39

Finding the Fourth Proportional to 13,700.69, 20,551.63 and 4,341.39

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Solution

The fourth proportional to 13,700.69, 20,551.63 and 4,341.39 is: 6,512.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,700.69 : 20,551.63 = 4,341.39 : x
  2. Step 2: Convert to fraction form
    13,700.69/20,551.63 = 4,341.39/x
  3. Step 3: Cross multiply
    13,700.69x = 20,551.63 × 4,341.39
  4. Step 4: Simplify right side
    13,700.69x = 89,222,713.60
  5. Step 5: Solve for x
    x = 89,222,713.60/13,700.69
  6. Step 6: Final answer
    x = 6,512.28

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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.