Home / 23,007.20-34,515.60-7,426.40

Finding the Fourth Proportional to 23,007.20, 34,515.60 and 7,426.40

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Solution

The fourth proportional to 23,007.20, 34,515.60 and 7,426.40 is: 11,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,007.20 : 34,515.60 = 7,426.40 : x
  2. Step 2: Convert to fraction form
    23,007.20/34,515.60 = 7,426.40/x
  3. Step 3: Cross multiply
    23,007.20x = 34,515.60 × 7,426.40
  4. Step 4: Simplify right side
    23,007.20x = 256,326,651.84
  5. Step 5: Solve for x
    x = 256,326,651.84/23,007.20
  6. Step 6: Final answer
    x = 11,141.15

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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.