Home / 14,707.01-20,295.70-7,992.72

Finding the Fourth Proportional to 14,707.01, 20,295.70 and 7,992.72

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Solution

The fourth proportional to 14,707.01, 20,295.70 and 7,992.72 is: 11,029.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,707.01 : 20,295.70 = 7,992.72 : x
  2. Step 2: Convert to fraction form
    14,707.01/20,295.70 = 7,992.72/x
  3. Step 3: Cross multiply
    14,707.01x = 20,295.70 × 7,992.72
  4. Step 4: Simplify right side
    14,707.01x = 162,217,827.32
  5. Step 5: Solve for x
    x = 162,217,827.32/14,707.01
  6. Step 6: Final answer
    x = 11,029.96

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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.