Home / 15,769.23-21,760.55-9,050.13

Finding the Fourth Proportional to 15,769.23, 21,760.55 and 9,050.13

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Solution

The fourth proportional to 15,769.23, 21,760.55 and 9,050.13 is: 12,488.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,769.23 : 21,760.55 = 9,050.13 : x
  2. Step 2: Convert to fraction form
    15,769.23/21,760.55 = 9,050.13/x
  3. Step 3: Cross multiply
    15,769.23x = 21,760.55 × 9,050.13
  4. Step 4: Simplify right side
    15,769.23x = 196,935,652.32
  5. Step 5: Solve for x
    x = 196,935,652.32/15,769.23
  6. Step 6: Final answer
    x = 12,488.61

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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.