Home / 21,323.01-29,431.03-14,528.27

Finding the Fourth Proportional to 21,323.01, 29,431.03 and 14,528.27

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Solution

The fourth proportional to 21,323.01, 29,431.03 and 14,528.27 is: 20,052.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,323.01 : 29,431.03 = 14,528.27 : x
  2. Step 2: Convert to fraction form
    21,323.01/29,431.03 = 14,528.27/x
  3. Step 3: Cross multiply
    21,323.01x = 29,431.03 × 14,528.27
  4. Step 4: Simplify right side
    21,323.01x = 427,581,950.22
  5. Step 5: Solve for x
    x = 427,581,950.22/21,323.01
  6. Step 6: Final answer
    x = 20,052.61

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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.