Home / 22,990.08-34,515.84-13,647.36

Finding the Fourth Proportional to 22,990.08, 34,515.84 and 13,647.36

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Solution

The fourth proportional to 22,990.08, 34,515.84 and 13,647.36 is: 20,489.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,990.08 : 34,515.84 = 13,647.36 : x
  2. Step 2: Convert to fraction form
    22,990.08/34,515.84 = 13,647.36/x
  3. Step 3: Cross multiply
    22,990.08x = 34,515.84 × 13,647.36
  4. Step 4: Simplify right side
    22,990.08x = 471,050,094.18
  5. Step 5: Solve for x
    x = 471,050,094.18/22,990.08
  6. Step 6: Final answer
    x = 20,489.28

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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.