Home / 22,985.80-34,478.70-11,296.60

Finding the Fourth Proportional to 22,985.80, 34,478.70 and 11,296.60

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Solution

The fourth proportional to 22,985.80, 34,478.70 and 11,296.60 is: 16,944.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,985.80 : 34,478.70 = 11,296.60 : x
  2. Step 2: Convert to fraction form
    22,985.80/34,478.70 = 11,296.60/x
  3. Step 3: Cross multiply
    22,985.80x = 34,478.70 × 11,296.60
  4. Step 4: Simplify right side
    22,985.80x = 389,492,082.42
  5. Step 5: Solve for x
    x = 389,492,082.42/22,985.80
  6. Step 6: Final answer
    x = 16,944.90

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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.