Home / 43,107.59-64,661.32-13,527.74

Finding the Fourth Proportional to 43,107.59, 64,661.32 and 13,527.74

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Solution

The fourth proportional to 43,107.59, 64,661.32 and 13,527.74 is: 20,291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,107.59 : 64,661.32 = 13,527.74 : x
  2. Step 2: Convert to fraction form
    43,107.59/64,661.32 = 13,527.74/x
  3. Step 3: Cross multiply
    43,107.59x = 64,661.32 × 13,527.74
  4. Step 4: Simplify right side
    43,107.59x = 874,721,703.58
  5. Step 5: Solve for x
    x = 874,721,703.58/43,107.59
  6. Step 6: Final answer
    x = 20,291.59

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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.