Home / 22,946.13-31,664.39-12,873.65

Finding the Fourth Proportional to 22,946.13, 31,664.39 and 12,873.65

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Solution

The fourth proportional to 22,946.13, 31,664.39 and 12,873.65 is: 17,764.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,946.13 : 31,664.39 = 12,873.65 : x
  2. Step 2: Convert to fraction form
    22,946.13/31,664.39 = 12,873.65/x
  3. Step 3: Cross multiply
    22,946.13x = 31,664.39 × 12,873.65
  4. Step 4: Simplify right side
    22,946.13x = 407,636,051.63
  5. Step 5: Solve for x
    x = 407,636,051.63/22,946.13
  6. Step 6: Final answer
    x = 17,764.92

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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.