Home / 38,527.26-53,163.45-21,528.06

Finding the Fourth Proportional to 38,527.26, 53,163.45 and 21,528.06

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Solution

The fourth proportional to 38,527.26, 53,163.45 and 21,528.06 is: 29,706.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,527.26 : 53,163.45 = 21,528.06 : x
  2. Step 2: Convert to fraction form
    38,527.26/53,163.45 = 21,528.06/x
  3. Step 3: Cross multiply
    38,527.26x = 53,163.45 × 21,528.06
  4. Step 4: Simplify right side
    38,527.26x = 1,144,505,941.41
  5. Step 5: Solve for x
    x = 1,144,505,941.41/38,527.26
  6. Step 6: Final answer
    x = 29,706.39

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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.