Home / 53,945.85-80,918.64-14,502.96

Finding the Fourth Proportional to 53,945.85, 80,918.64 and 14,502.96

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Solution

The fourth proportional to 53,945.85, 80,918.64 and 14,502.96 is: 21,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,945.85 : 80,918.64 = 14,502.96 : x
  2. Step 2: Convert to fraction form
    53,945.85/80,918.64 = 14,502.96/x
  3. Step 3: Cross multiply
    53,945.85x = 80,918.64 × 14,502.96
  4. Step 4: Simplify right side
    53,945.85x = 1,173,559,799.17
  5. Step 5: Solve for x
    x = 1,173,559,799.17/53,945.85
  6. Step 6: Final answer
    x = 21,754.40

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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.