Home / 21,044.18-29,043.74-14,666.65

Finding the Fourth Proportional to 21,044.18, 29,043.74 and 14,666.65

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Solution

The fourth proportional to 21,044.18, 29,043.74 and 14,666.65 is: 20,241.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.18 : 29,043.74 = 14,666.65 : x
  2. Step 2: Convert to fraction form
    21,044.18/29,043.74 = 14,666.65/x
  3. Step 3: Cross multiply
    21,044.18x = 29,043.74 × 14,666.65
  4. Step 4: Simplify right side
    21,044.18x = 425,974,223.33
  5. Step 5: Solve for x
    x = 425,974,223.33/21,044.18
  6. Step 6: Final answer
    x = 20,241.90

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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.