Home / 53,588.76-80,383.14-18,509.28

Finding the Fourth Proportional to 53,588.76, 80,383.14 and 18,509.28

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Solution

The fourth proportional to 53,588.76, 80,383.14 and 18,509.28 is: 27,763.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,588.76 : 80,383.14 = 18,509.28 : x
  2. Step 2: Convert to fraction form
    53,588.76/80,383.14 = 18,509.28/x
  3. Step 3: Cross multiply
    53,588.76x = 80,383.14 × 18,509.28
  4. Step 4: Simplify right side
    53,588.76x = 1,487,834,045.54
  5. Step 5: Solve for x
    x = 1,487,834,045.54/53,588.76
  6. Step 6: Final answer
    x = 27,763.92

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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.