Home / 21,663.56-29,886.80-14,592.26

Finding the Fourth Proportional to 21,663.56, 29,886.80 and 14,592.26

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Solution

The fourth proportional to 21,663.56, 29,886.80 and 14,592.26 is: 20,131.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,663.56 : 29,886.80 = 14,592.26 : x
  2. Step 2: Convert to fraction form
    21,663.56/29,886.80 = 14,592.26/x
  3. Step 3: Cross multiply
    21,663.56x = 29,886.80 × 14,592.26
  4. Step 4: Simplify right side
    21,663.56x = 436,115,956.17
  5. Step 5: Solve for x
    x = 436,115,956.17/21,663.56
  6. Step 6: Final answer
    x = 20,131.32

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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.