Home / 30,187.08-41,666.40-19,576.08

Finding the Fourth Proportional to 30,187.08, 41,666.40 and 19,576.08

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Solution

The fourth proportional to 30,187.08, 41,666.40 and 19,576.08 is: 27,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,187.08 : 41,666.40 = 19,576.08 : x
  2. Step 2: Convert to fraction form
    30,187.08/41,666.40 = 19,576.08/x
  3. Step 3: Cross multiply
    30,187.08x = 41,666.40 × 19,576.08
  4. Step 4: Simplify right side
    30,187.08x = 815,664,779.71
  5. Step 5: Solve for x
    x = 815,664,779.71/30,187.08
  6. Step 6: Final answer
    x = 27,020.33

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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.