Home / 22,465.90-31,002.65-12,394.77

Finding the Fourth Proportional to 22,465.90, 31,002.65 and 12,394.77

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Solution

The fourth proportional to 22,465.90, 31,002.65 and 12,394.77 is: 17,104.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,465.90 : 31,002.65 = 12,394.77 : x
  2. Step 2: Convert to fraction form
    22,465.90/31,002.65 = 12,394.77/x
  3. Step 3: Cross multiply
    22,465.90x = 31,002.65 × 12,394.77
  4. Step 4: Simplify right side
    22,465.90x = 384,270,530.14
  5. Step 5: Solve for x
    x = 384,270,530.14/22,465.90
  6. Step 6: Final answer
    x = 17,104.61

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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.