Home / 19,209.68-26,509.25-10,711.91

Finding the Fourth Proportional to 19,209.68, 26,509.25 and 10,711.91

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Solution

The fourth proportional to 19,209.68, 26,509.25 and 10,711.91 is: 14,782.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.68 : 26,509.25 = 10,711.91 : x
  2. Step 2: Convert to fraction form
    19,209.68/26,509.25 = 10,711.91/x
  3. Step 3: Cross multiply
    19,209.68x = 26,509.25 × 10,711.91
  4. Step 4: Simplify right side
    19,209.68x = 283,964,540.84
  5. Step 5: Solve for x
    x = 283,964,540.84/19,209.68
  6. Step 6: Final answer
    x = 14,782.37

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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.