Home / 19,910.64-27,417.43-19,468.65

Finding the Fourth Proportional to 19,910.64, 27,417.43 and 19,468.65

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Solution

The fourth proportional to 19,910.64, 27,417.43 and 19,468.65 is: 26,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.64 : 27,417.43 = 19,468.65 : x
  2. Step 2: Convert to fraction form
    19,910.64/27,417.43 = 19,468.65/x
  3. Step 3: Cross multiply
    19,910.64x = 27,417.43 × 19,468.65
  4. Step 4: Simplify right side
    19,910.64x = 533,780,348.57
  5. Step 5: Solve for x
    x = 533,780,348.57/19,910.64
  6. Step 6: Final answer
    x = 26,808.80

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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.