Home / 18,648.72-25,717.55-14,392.95

Finding the Fourth Proportional to 18,648.72, 25,717.55 and 14,392.95

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Solution

The fourth proportional to 18,648.72, 25,717.55 and 14,392.95 is: 19,848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,648.72 : 25,717.55 = 14,392.95 : x
  2. Step 2: Convert to fraction form
    18,648.72/25,717.55 = 14,392.95/x
  3. Step 3: Cross multiply
    18,648.72x = 25,717.55 × 14,392.95
  4. Step 4: Simplify right side
    18,648.72x = 370,151,339.31
  5. Step 5: Solve for x
    x = 370,151,339.31/18,648.72
  6. Step 6: Final answer
    x = 19,848.62

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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.