Home / 43,145.04-64,723.71-13,552.88

Finding the Fourth Proportional to 43,145.04, 64,723.71 and 13,552.88

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Solution

The fourth proportional to 43,145.04, 64,723.71 and 13,552.88 is: 20,331.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,145.04 : 64,723.71 = 13,552.88 : x
  2. Step 2: Convert to fraction form
    43,145.04/64,723.71 = 13,552.88/x
  3. Step 3: Cross multiply
    43,145.04x = 64,723.71 × 13,552.88
  4. Step 4: Simplify right side
    43,145.04x = 877,192,674.78
  5. Step 5: Solve for x
    x = 877,192,674.78/43,145.04
  6. Step 6: Final answer
    x = 20,331.25

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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.