Home / 22,613.08-31,221.52-14,128.14

Finding the Fourth Proportional to 22,613.08, 31,221.52 and 14,128.14

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Solution

The fourth proportional to 22,613.08, 31,221.52 and 14,128.14 is: 19,506.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,613.08 : 31,221.52 = 14,128.14 : x
  2. Step 2: Convert to fraction form
    22,613.08/31,221.52 = 14,128.14/x
  3. Step 3: Cross multiply
    22,613.08x = 31,221.52 × 14,128.14
  4. Step 4: Simplify right side
    22,613.08x = 441,102,005.57
  5. Step 5: Solve for x
    x = 441,102,005.57/22,613.08
  6. Step 6: Final answer
    x = 19,506.50

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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.