Home / 22,668.48-31,284-13,110.30

Finding the Fourth Proportional to 22,668.48, 31,284 and 13,110.30

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Solution

The fourth proportional to 22,668.48, 31,284 and 13,110.30 is: 18,093.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,668.48 : 31,284 = 13,110.30 : x
  2. Step 2: Convert to fraction form
    22,668.48/31,284 = 13,110.30/x
  3. Step 3: Cross multiply
    22,668.48x = 31,284 × 13,110.30
  4. Step 4: Simplify right side
    22,668.48x = 410,142,625.20
  5. Step 5: Solve for x
    x = 410,142,625.20/22,668.48
  6. Step 6: Final answer
    x = 18,093.08

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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.