Home / 27,323.53-37,699.63-20,956.62

Finding the Fourth Proportional to 27,323.53, 37,699.63 and 20,956.62

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Solution

The fourth proportional to 27,323.53, 37,699.63 and 20,956.62 is: 28,914.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,323.53 : 37,699.63 = 20,956.62 : x
  2. Step 2: Convert to fraction form
    27,323.53/37,699.63 = 20,956.62/x
  3. Step 3: Cross multiply
    27,323.53x = 37,699.63 × 20,956.62
  4. Step 4: Simplify right side
    27,323.53x = 790,056,909.03
  5. Step 5: Solve for x
    x = 790,056,909.03/27,323.53
  6. Step 6: Final answer
    x = 28,914.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.