Home / 43,182.71-64,776.39-13,602.86

Finding the Fourth Proportional to 43,182.71, 64,776.39 and 13,602.86

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Solution

The fourth proportional to 43,182.71, 64,776.39 and 13,602.86 is: 20,405.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,182.71 : 64,776.39 = 13,602.86 : x
  2. Step 2: Convert to fraction form
    43,182.71/64,776.39 = 13,602.86/x
  3. Step 3: Cross multiply
    43,182.71x = 64,776.39 × 13,602.86
  4. Step 4: Simplify right side
    43,182.71x = 881,144,473.38
  5. Step 5: Solve for x
    x = 881,144,473.38/43,182.71
  6. Step 6: Final answer
    x = 20,405.03

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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.