Home / 19,871.22-29,779.09-14,935.08

Finding the Fourth Proportional to 19,871.22, 29,779.09 and 14,935.08

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Solution

The fourth proportional to 19,871.22, 29,779.09 and 14,935.08 is: 22,381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,871.22 : 29,779.09 = 14,935.08 : x
  2. Step 2: Convert to fraction form
    19,871.22/29,779.09 = 14,935.08/x
  3. Step 3: Cross multiply
    19,871.22x = 29,779.09 × 14,935.08
  4. Step 4: Simplify right side
    19,871.22x = 444,753,091.48
  5. Step 5: Solve for x
    x = 444,753,091.48/19,871.22
  6. Step 6: Final answer
    x = 22,381.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.