Home / 19,666.67-29,348.83-19,554.36

Finding the Fourth Proportional to 19,666.67, 29,348.83 and 19,554.36

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Solution

The fourth proportional to 19,666.67, 29,348.83 and 19,554.36 is: 29,181.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666.67 : 29,348.83 = 19,554.36 : x
  2. Step 2: Convert to fraction form
    19,666.67/29,348.83 = 19,554.36/x
  3. Step 3: Cross multiply
    19,666.67x = 29,348.83 × 19,554.36
  4. Step 4: Simplify right side
    19,666.67x = 573,897,587.40
  5. Step 5: Solve for x
    x = 573,897,587.40/19,666.67
  6. Step 6: Final answer
    x = 29,181.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.