Home / 22,985.06-34,488.12-13,643.60

Finding the Fourth Proportional to 22,985.06, 34,488.12 and 13,643.60

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Solution

The fourth proportional to 22,985.06, 34,488.12 and 13,643.60 is: 20,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,985.06 : 34,488.12 = 13,643.60 : x
  2. Step 2: Convert to fraction form
    22,985.06/34,488.12 = 13,643.60/x
  3. Step 3: Cross multiply
    22,985.06x = 34,488.12 × 13,643.60
  4. Step 4: Simplify right side
    22,985.06x = 470,542,114.03
  5. Step 5: Solve for x
    x = 470,542,114.03/22,985.06
  6. Step 6: Final answer
    x = 20,471.65

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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.