Home / 19,185.99-26,470.58-10,800.87

Finding the Fourth Proportional to 19,185.99, 26,470.58 and 10,800.87

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Solution

The fourth proportional to 19,185.99, 26,470.58 and 10,800.87 is: 14,901.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.99 : 26,470.58 = 10,800.87 : x
  2. Step 2: Convert to fraction form
    19,185.99/26,470.58 = 10,800.87/x
  3. Step 3: Cross multiply
    19,185.99x = 26,470.58 × 10,800.87
  4. Step 4: Simplify right side
    19,185.99x = 285,905,239.40
  5. Step 5: Solve for x
    x = 285,905,239.40/19,185.99
  6. Step 6: Final answer
    x = 14,901.77

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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.