Home / 23,312.55-34,979.16-12,216.60

Finding the Fourth Proportional to 23,312.55, 34,979.16 and 12,216.60

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Solution

The fourth proportional to 23,312.55, 34,979.16 and 12,216.60 is: 18,330.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,312.55 : 34,979.16 = 12,216.60 : x
  2. Step 2: Convert to fraction form
    23,312.55/34,979.16 = 12,216.60/x
  3. Step 3: Cross multiply
    23,312.55x = 34,979.16 × 12,216.60
  4. Step 4: Simplify right side
    23,312.55x = 427,326,406.06
  5. Step 5: Solve for x
    x = 427,326,406.06/23,312.55
  6. Step 6: Final answer
    x = 18,330.32

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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.