Home / 53,638.40-80,461.55-14,195.25

Finding the Fourth Proportional to 53,638.40, 80,461.55 and 14,195.25

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Solution

The fourth proportional to 53,638.40, 80,461.55 and 14,195.25 is: 21,293.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,638.40 : 80,461.55 = 14,195.25 : x
  2. Step 2: Convert to fraction form
    53,638.40/80,461.55 = 14,195.25/x
  3. Step 3: Cross multiply
    53,638.40x = 80,461.55 × 14,195.25
  4. Step 4: Simplify right side
    53,638.40x = 1,142,171,853.13
  5. Step 5: Solve for x
    x = 1,142,171,853.13/53,638.40
  6. Step 6: Final answer
    x = 21,293.92

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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.