Home / 14,947.46-20,628.95-11,164.05

Finding the Fourth Proportional to 14,947.46, 20,628.95 and 11,164.05

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Solution

The fourth proportional to 14,947.46, 20,628.95 and 11,164.05 is: 15,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.46 : 20,628.95 = 11,164.05 : x
  2. Step 2: Convert to fraction form
    14,947.46/20,628.95 = 11,164.05/x
  3. Step 3: Cross multiply
    14,947.46x = 20,628.95 × 11,164.05
  4. Step 4: Simplify right side
    14,947.46x = 230,302,650.79
  5. Step 5: Solve for x
    x = 230,302,650.79/14,947.46
  6. Step 6: Final answer
    x = 15,407.48

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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.