Home / 20,312.57-27,973.22-19,046.84

Finding the Fourth Proportional to 20,312.57, 27,973.22 and 19,046.84

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Solution

The fourth proportional to 20,312.57, 27,973.22 and 19,046.84 is: 26,230.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,312.57 : 27,973.22 = 19,046.84 : x
  2. Step 2: Convert to fraction form
    20,312.57/27,973.22 = 19,046.84/x
  3. Step 3: Cross multiply
    20,312.57x = 27,973.22 × 19,046.84
  4. Step 4: Simplify right side
    20,312.57x = 532,801,210.52
  5. Step 5: Solve for x
    x = 532,801,210.52/20,312.57
  6. Step 6: Final answer
    x = 26,230.12

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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.