Home / 21,094.57-29,110.61-11,663.13

Finding the Fourth Proportional to 21,094.57, 29,110.61 and 11,663.13

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Solution

The fourth proportional to 21,094.57, 29,110.61 and 11,663.13 is: 16,095.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,094.57 : 29,110.61 = 11,663.13 : x
  2. Step 2: Convert to fraction form
    21,094.57/29,110.61 = 11,663.13/x
  3. Step 3: Cross multiply
    21,094.57x = 29,110.61 × 11,663.13
  4. Step 4: Simplify right side
    21,094.57x = 339,520,828.81
  5. Step 5: Solve for x
    x = 339,520,828.81/21,094.57
  6. Step 6: Final answer
    x = 16,095.18

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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.