Home / 43,573.48-65,356.56-13,983.28

Finding the Fourth Proportional to 43,573.48, 65,356.56 and 13,983.28

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Solution

The fourth proportional to 43,573.48, 65,356.56 and 13,983.28 is: 20,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,573.48 : 65,356.56 = 13,983.28 : x
  2. Step 2: Convert to fraction form
    43,573.48/65,356.56 = 13,983.28/x
  3. Step 3: Cross multiply
    43,573.48x = 65,356.56 × 13,983.28
  4. Step 4: Simplify right side
    43,573.48x = 913,899,078.32
  5. Step 5: Solve for x
    x = 913,899,078.32/43,573.48
  6. Step 6: Final answer
    x = 20,973.75

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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.