Home / 21,985.49-32,857.55-16,074.82

Finding the Fourth Proportional to 21,985.49, 32,857.55 and 16,074.82

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Solution

The fourth proportional to 21,985.49, 32,857.55 and 16,074.82 is: 24,023.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,985.49 : 32,857.55 = 16,074.82 : x
  2. Step 2: Convert to fraction form
    21,985.49/32,857.55 = 16,074.82/x
  3. Step 3: Cross multiply
    21,985.49x = 32,857.55 × 16,074.82
  4. Step 4: Simplify right side
    21,985.49x = 528,179,222.87
  5. Step 5: Solve for x
    x = 528,179,222.87/21,985.49
  6. Step 6: Final answer
    x = 24,023.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.