Home / 21,225.96-29,276.37-14,504.58

Finding the Fourth Proportional to 21,225.96, 29,276.37 and 14,504.58

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Solution

The fourth proportional to 21,225.96, 29,276.37 and 14,504.58 is: 20,005.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,225.96 : 29,276.37 = 14,504.58 : x
  2. Step 2: Convert to fraction form
    21,225.96/29,276.37 = 14,504.58/x
  3. Step 3: Cross multiply
    21,225.96x = 29,276.37 × 14,504.58
  4. Step 4: Simplify right side
    21,225.96x = 424,641,450.77
  5. Step 5: Solve for x
    x = 424,641,450.77/21,225.96
  6. Step 6: Final answer
    x = 20,005.76

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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.