Home / 23,134.50-31,915.62-14,178.60

Finding the Fourth Proportional to 23,134.50, 31,915.62 and 14,178.60

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Solution

The fourth proportional to 23,134.50, 31,915.62 and 14,178.60 is: 19,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,134.50 : 31,915.62 = 14,178.60 : x
  2. Step 2: Convert to fraction form
    23,134.50/31,915.62 = 14,178.60/x
  3. Step 3: Cross multiply
    23,134.50x = 31,915.62 × 14,178.60
  4. Step 4: Simplify right side
    23,134.50x = 452,518,809.73
  5. Step 5: Solve for x
    x = 452,518,809.73/23,134.50
  6. Step 6: Final answer
    x = 19,560.35

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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.