Home / 53,010.47-79,515.63-13,567.59

Finding the Fourth Proportional to 53,010.47, 79,515.63 and 13,567.59

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Solution

The fourth proportional to 53,010.47, 79,515.63 and 13,567.59 is: 20,351.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,010.47 : 79,515.63 = 13,567.59 : x
  2. Step 2: Convert to fraction form
    53,010.47/79,515.63 = 13,567.59/x
  3. Step 3: Cross multiply
    53,010.47x = 79,515.63 × 13,567.59
  4. Step 4: Simplify right side
    53,010.47x = 1,078,835,466.43
  5. Step 5: Solve for x
    x = 1,078,835,466.43/53,010.47
  6. Step 6: Final answer
    x = 20,351.37

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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.