Home / 43,065.84-64,567.08-13,467.12

Finding the Fourth Proportional to 43,065.84, 64,567.08 and 13,467.12

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Solution

The fourth proportional to 43,065.84, 64,567.08 and 13,467.12 is: 20,190.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,065.84 : 64,567.08 = 13,467.12 : x
  2. Step 2: Convert to fraction form
    43,065.84/64,567.08 = 13,467.12/x
  3. Step 3: Cross multiply
    43,065.84x = 64,567.08 × 13,467.12
  4. Step 4: Simplify right side
    43,065.84x = 869,532,614.41
  5. Step 5: Solve for x
    x = 869,532,614.41/43,065.84
  6. Step 6: Final answer
    x = 20,190.77

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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.