Home / 45,776.64-68,638.48-14,178.26

Finding the Fourth Proportional to 45,776.64, 68,638.48 and 14,178.26

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Solution

The fourth proportional to 45,776.64, 68,638.48 and 14,178.26 is: 21,259.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,776.64 : 68,638.48 = 14,178.26 : x
  2. Step 2: Convert to fraction form
    45,776.64/68,638.48 = 14,178.26/x
  3. Step 3: Cross multiply
    45,776.64x = 68,638.48 × 14,178.26
  4. Step 4: Simplify right side
    45,776.64x = 973,174,215.44
  5. Step 5: Solve for x
    x = 973,174,215.44/45,776.64
  6. Step 6: Final answer
    x = 21,259.19

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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.