Home / 14,947.65-20,628.96-8,574.84

Finding the Fourth Proportional to 14,947.65, 20,628.96 and 8,574.84

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Solution

The fourth proportional to 14,947.65, 20,628.96 and 8,574.84 is: 11,833.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.65 : 20,628.96 = 8,574.84 : x
  2. Step 2: Convert to fraction form
    14,947.65/20,628.96 = 8,574.84/x
  3. Step 3: Cross multiply
    14,947.65x = 20,628.96 × 8,574.84
  4. Step 4: Simplify right side
    14,947.65x = 176,890,031.37
  5. Step 5: Solve for x
    x = 176,890,031.37/14,947.65
  6. Step 6: Final answer
    x = 11,833.97

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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.