Home / 21,666.62-32,501.09-6,876.69

Finding the Fourth Proportional to 21,666.62, 32,501.09 and 6,876.69

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Solution

The fourth proportional to 21,666.62, 32,501.09 and 6,876.69 is: 10,315.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,666.62 : 32,501.09 = 6,876.69 : x
  2. Step 2: Convert to fraction form
    21,666.62/32,501.09 = 6,876.69/x
  3. Step 3: Cross multiply
    21,666.62x = 32,501.09 × 6,876.69
  4. Step 4: Simplify right side
    21,666.62x = 223,499,886.21
  5. Step 5: Solve for x
    x = 223,499,886.21/21,666.62
  6. Step 6: Final answer
    x = 10,315.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.