Home / 23,135.55-34,698.12-10,643.57

Finding the Fourth Proportional to 23,135.55, 34,698.12 and 10,643.57

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Solution

The fourth proportional to 23,135.55, 34,698.12 and 10,643.57 is: 15,962.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.55 : 34,698.12 = 10,643.57 : x
  2. Step 2: Convert to fraction form
    23,135.55/34,698.12 = 10,643.57/x
  3. Step 3: Cross multiply
    23,135.55x = 34,698.12 × 10,643.57
  4. Step 4: Simplify right side
    23,135.55x = 369,311,869.09
  5. Step 5: Solve for x
    x = 369,311,869.09/23,135.55
  6. Step 6: Final answer
    x = 15,962.96

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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.