Home / 20,516.48-30,776.22-7,368.95

Finding the Fourth Proportional to 20,516.48, 30,776.22 and 7,368.95

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Solution

The fourth proportional to 20,516.48, 30,776.22 and 7,368.95 is: 11,053.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,516.48 : 30,776.22 = 7,368.95 : x
  2. Step 2: Convert to fraction form
    20,516.48/30,776.22 = 7,368.95/x
  3. Step 3: Cross multiply
    20,516.48x = 30,776.22 × 7,368.95
  4. Step 4: Simplify right side
    20,516.48x = 226,788,426.37
  5. Step 5: Solve for x
    x = 226,788,426.37/20,516.48
  6. Step 6: Final answer
    x = 11,053.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.