Home / 15,567.39-21,482.28-8,493.66

Finding the Fourth Proportional to 15,567.39, 21,482.28 and 8,493.66

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Solution

The fourth proportional to 15,567.39, 21,482.28 and 8,493.66 is: 11,720.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,567.39 : 21,482.28 = 8,493.66 : x
  2. Step 2: Convert to fraction form
    15,567.39/21,482.28 = 8,493.66/x
  3. Step 3: Cross multiply
    15,567.39x = 21,482.28 × 8,493.66
  4. Step 4: Simplify right side
    15,567.39x = 182,463,182.34
  5. Step 5: Solve for x
    x = 182,463,182.34/15,567.39
  6. Step 6: Final answer
    x = 11,720.86

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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.