Home / 15,567.12-21,482.55-8,493.48

Finding the Fourth Proportional to 15,567.12, 21,482.55 and 8,493.48

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Solution

The fourth proportional to 15,567.12, 21,482.55 and 8,493.48 is: 11,720.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,567.12 : 21,482.55 = 8,493.48 : x
  2. Step 2: Convert to fraction form
    15,567.12/21,482.55 = 8,493.48/x
  3. Step 3: Cross multiply
    15,567.12x = 21,482.55 × 8,493.48
  4. Step 4: Simplify right side
    15,567.12x = 182,461,608.77
  5. Step 5: Solve for x
    x = 182,461,608.77/15,567.12
  6. Step 6: Final answer
    x = 11,720.96

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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.