Home / 19,756.18-27,263.11-10,803.58

Finding the Fourth Proportional to 19,756.18, 27,263.11 and 10,803.58

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Solution

The fourth proportional to 19,756.18, 27,263.11 and 10,803.58 is: 14,908.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,756.18 : 27,263.11 = 10,803.58 : x
  2. Step 2: Convert to fraction form
    19,756.18/27,263.11 = 10,803.58/x
  3. Step 3: Cross multiply
    19,756.18x = 27,263.11 × 10,803.58
  4. Step 4: Simplify right side
    19,756.18x = 294,539,189.93
  5. Step 5: Solve for x
    x = 294,539,189.93/19,756.18
  6. Step 6: Final answer
    x = 14,908.71

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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.