Home / 53,659.04-80,485.12-18,595.68

Finding the Fourth Proportional to 53,659.04, 80,485.12 and 18,595.68

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Solution

The fourth proportional to 53,659.04, 80,485.12 and 18,595.68 is: 27,892.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,659.04 : 80,485.12 = 18,595.68 : x
  2. Step 2: Convert to fraction form
    53,659.04/80,485.12 = 18,595.68/x
  3. Step 3: Cross multiply
    53,659.04x = 80,485.12 × 18,595.68
  4. Step 4: Simplify right side
    53,659.04x = 1,496,675,536.28
  5. Step 5: Solve for x
    x = 1,496,675,536.28/53,659.04
  6. Step 6: Final answer
    x = 27,892.33

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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.