Home / 15,777.93-21,740.61-10,733.37

Finding the Fourth Proportional to 15,777.93, 21,740.61 and 10,733.37

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Solution

The fourth proportional to 15,777.93, 21,740.61 and 10,733.37 is: 14,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,777.93 : 21,740.61 = 10,733.37 : x
  2. Step 2: Convert to fraction form
    15,777.93/21,740.61 = 10,733.37/x
  3. Step 3: Cross multiply
    15,777.93x = 21,740.61 × 10,733.37
  4. Step 4: Simplify right side
    15,777.93x = 233,350,011.16
  5. Step 5: Solve for x
    x = 233,350,011.16/15,777.93
  6. Step 6: Final answer
    x = 14,789.65

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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.