Home / 14,971.35-20,660.43-9,006.48

Finding the Fourth Proportional to 14,971.35, 20,660.43 and 9,006.48

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Solution

The fourth proportional to 14,971.35, 20,660.43 and 9,006.48 is: 12,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,971.35 : 20,660.43 = 9,006.48 : x
  2. Step 2: Convert to fraction form
    14,971.35/20,660.43 = 9,006.48/x
  3. Step 3: Cross multiply
    14,971.35x = 20,660.43 × 9,006.48
  4. Step 4: Simplify right side
    14,971.35x = 186,077,749.59
  5. Step 5: Solve for x
    x = 186,077,749.59/14,971.35
  6. Step 6: Final answer
    x = 12,428.92

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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.