Home / 53,023.58-79,534.56-13,580.36

Finding the Fourth Proportional to 53,023.58, 79,534.56 and 13,580.36

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Solution

The fourth proportional to 53,023.58, 79,534.56 and 13,580.36 is: 20,370.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,023.58 : 79,534.56 = 13,580.36 : x
  2. Step 2: Convert to fraction form
    53,023.58/79,534.56 = 13,580.36/x
  3. Step 3: Cross multiply
    53,023.58x = 79,534.56 × 13,580.36
  4. Step 4: Simplify right side
    53,023.58x = 1,080,107,957.24
  5. Step 5: Solve for x
    x = 1,080,107,957.24/53,023.58
  6. Step 6: Final answer
    x = 20,370.33

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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.