Home / 19,195.04-26,488.12-10,811

Finding the Fourth Proportional to 19,195.04, 26,488.12 and 10,811

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Solution

The fourth proportional to 19,195.04, 26,488.12 and 10,811 is: 14,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.04 : 26,488.12 = 10,811 : x
  2. Step 2: Convert to fraction form
    19,195.04/26,488.12 = 10,811/x
  3. Step 3: Cross multiply
    19,195.04x = 26,488.12 × 10,811
  4. Step 4: Simplify right side
    19,195.04x = 286,363,065.32
  5. Step 5: Solve for x
    x = 286,363,065.32/19,195.04
  6. Step 6: Final answer
    x = 14,918.60

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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.