Home / 19,909.14-27,415.36-19,467.15

Finding the Fourth Proportional to 19,909.14, 27,415.36 and 19,467.15

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Solution

The fourth proportional to 19,909.14, 27,415.36 and 19,467.15 is: 26,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.14 : 27,415.36 = 19,467.15 : x
  2. Step 2: Convert to fraction form
    19,909.14/27,415.36 = 19,467.15/x
  3. Step 3: Cross multiply
    19,909.14x = 27,415.36 × 19,467.15
  4. Step 4: Simplify right side
    19,909.14x = 533,698,925.42
  5. Step 5: Solve for x
    x = 533,698,925.42/19,909.14
  6. Step 6: Final answer
    x = 26,806.73

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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.