Home / 23,023.88-31,772.64-12,952.32

Finding the Fourth Proportional to 23,023.88, 31,772.64 and 12,952.32

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Solution

The fourth proportional to 23,023.88, 31,772.64 and 12,952.32 is: 17,874.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,023.88 : 31,772.64 = 12,952.32 : x
  2. Step 2: Convert to fraction form
    23,023.88/31,772.64 = 12,952.32/x
  3. Step 3: Cross multiply
    23,023.88x = 31,772.64 × 12,952.32
  4. Step 4: Simplify right side
    23,023.88x = 411,529,400.52
  5. Step 5: Solve for x
    x = 411,529,400.52/23,023.88
  6. Step 6: Final answer
    x = 17,874.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.