Home / 21,484.69-29,648.42-11,924.02

Finding the Fourth Proportional to 21,484.69, 29,648.42 and 11,924.02

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Solution

The fourth proportional to 21,484.69, 29,648.42 and 11,924.02 is: 16,454.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484.69 : 29,648.42 = 11,924.02 : x
  2. Step 2: Convert to fraction form
    21,484.69/29,648.42 = 11,924.02/x
  3. Step 3: Cross multiply
    21,484.69x = 29,648.42 × 11,924.02
  4. Step 4: Simplify right side
    21,484.69x = 353,528,219.31
  5. Step 5: Solve for x
    x = 353,528,219.31/21,484.69
  6. Step 6: Final answer
    x = 16,454.89

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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.