Home / 14,956.56-20,637.72-8,667.72

Finding the Fourth Proportional to 14,956.56, 20,637.72 and 8,667.72

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Solution

The fourth proportional to 14,956.56, 20,637.72 and 8,667.72 is: 11,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,956.56 : 20,637.72 = 8,667.72 : x
  2. Step 2: Convert to fraction form
    14,956.56/20,637.72 = 8,667.72/x
  3. Step 3: Cross multiply
    14,956.56x = 20,637.72 × 8,667.72
  4. Step 4: Simplify right side
    14,956.56x = 178,881,978.40
  5. Step 5: Solve for x
    x = 178,881,978.40/14,956.56
  6. Step 6: Final answer
    x = 11,960.10

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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.