Home / 15,567.05-21,482.60-8,493.62

Finding the Fourth Proportional to 15,567.05, 21,482.60 and 8,493.62

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Solution

The fourth proportional to 15,567.05, 21,482.60 and 8,493.62 is: 11,721.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,567.05 : 21,482.60 = 8,493.62 : x
  2. Step 2: Convert to fraction form
    15,567.05/21,482.60 = 8,493.62/x
  3. Step 3: Cross multiply
    15,567.05x = 21,482.60 × 8,493.62
  4. Step 4: Simplify right side
    15,567.05x = 182,464,891.13
  5. Step 5: Solve for x
    x = 182,464,891.13/15,567.05
  6. Step 6: Final answer
    x = 11,721.23

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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.