Home / 19,053.91-28,591.67-10,288.63

Finding the Fourth Proportional to 19,053.91, 28,591.67 and 10,288.63

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Solution

The fourth proportional to 19,053.91, 28,591.67 and 10,288.63 is: 15,438.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,053.91 : 28,591.67 = 10,288.63 : x
  2. Step 2: Convert to fraction form
    19,053.91/28,591.67 = 10,288.63/x
  3. Step 3: Cross multiply
    19,053.91x = 28,591.67 × 10,288.63
  4. Step 4: Simplify right side
    19,053.91x = 294,169,113.71
  5. Step 5: Solve for x
    x = 294,169,113.71/19,053.91
  6. Step 6: Final answer
    x = 15,438.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.