Home / 15,311.80-22,967.70-15,214.60

Finding the Fourth Proportional to 15,311.80, 22,967.70 and 15,214.60

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Solution

The fourth proportional to 15,311.80, 22,967.70 and 15,214.60 is: 22,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,311.80 : 22,967.70 = 15,214.60 : x
  2. Step 2: Convert to fraction form
    15,311.80/22,967.70 = 15,214.60/x
  3. Step 3: Cross multiply
    15,311.80x = 22,967.70 × 15,214.60
  4. Step 4: Simplify right side
    15,311.80x = 349,444,368.42
  5. Step 5: Solve for x
    x = 349,444,368.42/15,311.80
  6. Step 6: Final answer
    x = 22,821.90

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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.