Home / 13,416.54-18,527.43-8,644.86

Finding the Fourth Proportional to 13,416.54, 18,527.43 and 8,644.86

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Solution

The fourth proportional to 13,416.54, 18,527.43 and 8,644.86 is: 11,938.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.54 : 18,527.43 = 8,644.86 : x
  2. Step 2: Convert to fraction form
    13,416.54/18,527.43 = 8,644.86/x
  3. Step 3: Cross multiply
    13,416.54x = 18,527.43 × 8,644.86
  4. Step 4: Simplify right side
    13,416.54x = 160,167,038.51
  5. Step 5: Solve for x
    x = 160,167,038.51/13,416.54
  6. Step 6: Final answer
    x = 11,938.03

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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.