Home / 13,524.72-18,687.96-10,407.84

Finding the Fourth Proportional to 13,524.72, 18,687.96 and 10,407.84

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Solution

The fourth proportional to 13,524.72, 18,687.96 and 10,407.84 is: 14,381.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.72 : 18,687.96 = 10,407.84 : x
  2. Step 2: Convert to fraction form
    13,524.72/18,687.96 = 10,407.84/x
  3. Step 3: Cross multiply
    13,524.72x = 18,687.96 × 10,407.84
  4. Step 4: Simplify right side
    13,524.72x = 194,501,297.61
  5. Step 5: Solve for x
    x = 194,501,297.61/13,524.72
  6. Step 6: Final answer
    x = 14,381.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.