Home / 19,756.44-27,263.79-10,803.78

Finding the Fourth Proportional to 19,756.44, 27,263.79 and 10,803.78

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Solution

The fourth proportional to 19,756.44, 27,263.79 and 10,803.78 is: 14,909.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,756.44 : 27,263.79 = 10,803.78 : x
  2. Step 2: Convert to fraction form
    19,756.44/27,263.79 = 10,803.78/x
  3. Step 3: Cross multiply
    19,756.44x = 27,263.79 × 10,803.78
  4. Step 4: Simplify right side
    19,756.44x = 294,551,989.13
  5. Step 5: Solve for x
    x = 294,551,989.13/19,756.44
  6. Step 6: Final answer
    x = 14,909.16

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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.