Home / 54,218.64-81,332.20-14,777.32

Finding the Fourth Proportional to 54,218.64, 81,332.20 and 14,777.32

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Solution

The fourth proportional to 54,218.64, 81,332.20 and 14,777.32 is: 22,167.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,218.64 : 81,332.20 = 14,777.32 : x
  2. Step 2: Convert to fraction form
    54,218.64/81,332.20 = 14,777.32/x
  3. Step 3: Cross multiply
    54,218.64x = 81,332.20 × 14,777.32
  4. Step 4: Simplify right side
    54,218.64x = 1,201,871,945.70
  5. Step 5: Solve for x
    x = 1,201,871,945.70/54,218.64
  6. Step 6: Final answer
    x = 22,167.14

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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.