Home / 19,793.28-27,315.08-10,840.68

Finding the Fourth Proportional to 19,793.28, 27,315.08 and 10,840.68

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Solution

The fourth proportional to 19,793.28, 27,315.08 and 10,840.68 is: 14,960.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,793.28 : 27,315.08 = 10,840.68 : x
  2. Step 2: Convert to fraction form
    19,793.28/27,315.08 = 10,840.68/x
  3. Step 3: Cross multiply
    19,793.28x = 27,315.08 × 10,840.68
  4. Step 4: Simplify right side
    19,793.28x = 296,114,041.45
  5. Step 5: Solve for x
    x = 296,114,041.45/19,793.28
  6. Step 6: Final answer
    x = 14,960.33

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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.