Home / 19,756.45-27,263.71-10,803.86

Finding the Fourth Proportional to 19,756.45, 27,263.71 and 10,803.86

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Solution

The fourth proportional to 19,756.45, 27,263.71 and 10,803.86 is: 14,909.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,756.45 : 27,263.71 = 10,803.86 : x
  2. Step 2: Convert to fraction form
    19,756.45/27,263.71 = 10,803.86/x
  3. Step 3: Cross multiply
    19,756.45x = 27,263.71 × 10,803.86
  4. Step 4: Simplify right side
    19,756.45x = 294,553,305.92
  5. Step 5: Solve for x
    x = 294,553,305.92/19,756.45
  6. Step 6: Final answer
    x = 14,909.22

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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.