Home / 22,814.28-31,483.39-12,742.91

Finding the Fourth Proportional to 22,814.28, 31,483.39 and 12,742.91

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Solution

The fourth proportional to 22,814.28, 31,483.39 and 12,742.91 is: 17,585.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,814.28 : 31,483.39 = 12,742.91 : x
  2. Step 2: Convert to fraction form
    22,814.28/31,483.39 = 12,742.91/x
  3. Step 3: Cross multiply
    22,814.28x = 31,483.39 × 12,742.91
  4. Step 4: Simplify right side
    22,814.28x = 401,190,005.26
  5. Step 5: Solve for x
    x = 401,190,005.26/22,814.28
  6. Step 6: Final answer
    x = 17,585.04

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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.