Home / 23,214.80-34,822.20-19,715.60

Finding the Fourth Proportional to 23,214.80, 34,822.20 and 19,715.60

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Solution

The fourth proportional to 23,214.80, 34,822.20 and 19,715.60 is: 29,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,214.80 : 34,822.20 = 19,715.60 : x
  2. Step 2: Convert to fraction form
    23,214.80/34,822.20 = 19,715.60/x
  3. Step 3: Cross multiply
    23,214.80x = 34,822.20 × 19,715.60
  4. Step 4: Simplify right side
    23,214.80x = 686,540,566.32
  5. Step 5: Solve for x
    x = 686,540,566.32/23,214.80
  6. Step 6: Final answer
    x = 29,573.40

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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.