Home / 43,248.84-64,872.86-13,666.68

Finding the Fourth Proportional to 43,248.84, 64,872.86 and 13,666.68

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Solution

The fourth proportional to 43,248.84, 64,872.86 and 13,666.68 is: 20,499.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,248.84 : 64,872.86 = 13,666.68 : x
  2. Step 2: Convert to fraction form
    43,248.84/64,872.86 = 13,666.68/x
  3. Step 3: Cross multiply
    43,248.84x = 64,872.86 × 13,666.68
  4. Step 4: Simplify right side
    43,248.84x = 886,596,293.94
  5. Step 5: Solve for x
    x = 886,596,293.94/43,248.84
  6. Step 6: Final answer
    x = 20,499.89

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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.