Home / 53,528.28-80,295.90-17,986.80

Finding the Fourth Proportional to 53,528.28, 80,295.90 and 17,986.80

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Solution

The fourth proportional to 53,528.28, 80,295.90 and 17,986.80 is: 26,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,528.28 : 80,295.90 = 17,986.80 : x
  2. Step 2: Convert to fraction form
    53,528.28/80,295.90 = 17,986.80/x
  3. Step 3: Cross multiply
    53,528.28x = 80,295.90 × 17,986.80
  4. Step 4: Simplify right side
    53,528.28x = 1,444,266,294.12
  5. Step 5: Solve for x
    x = 1,444,266,294.12/53,528.28
  6. Step 6: Final answer
    x = 26,981.37

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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.