Home / 19,193.53-26,488.70-10,811.65

Finding the Fourth Proportional to 19,193.53, 26,488.70 and 10,811.65

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Solution

The fourth proportional to 19,193.53, 26,488.70 and 10,811.65 is: 14,920.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.53 : 26,488.70 = 10,811.65 : x
  2. Step 2: Convert to fraction form
    19,193.53/26,488.70 = 10,811.65/x
  3. Step 3: Cross multiply
    19,193.53x = 26,488.70 × 10,811.65
  4. Step 4: Simplify right side
    19,193.53x = 286,386,553.36
  5. Step 5: Solve for x
    x = 286,386,553.36/19,193.53
  6. Step 6: Final answer
    x = 14,920.99

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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.