Home / 15,669.09-21,624.30-10,354.68

Finding the Fourth Proportional to 15,669.09, 21,624.30 and 10,354.68

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Solution

The fourth proportional to 15,669.09, 21,624.30 and 10,354.68 is: 14,290.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.09 : 21,624.30 = 10,354.68 : x
  2. Step 2: Convert to fraction form
    15,669.09/21,624.30 = 10,354.68/x
  3. Step 3: Cross multiply
    15,669.09x = 21,624.30 × 10,354.68
  4. Step 4: Simplify right side
    15,669.09x = 223,912,706.72
  5. Step 5: Solve for x
    x = 223,912,706.72/15,669.09
  6. Step 6: Final answer
    x = 14,290.09

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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.