Home / 18,565.03-25,598.20-12,904.63

Finding the Fourth Proportional to 18,565.03, 25,598.20 and 12,904.63

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Solution

The fourth proportional to 18,565.03, 25,598.20 and 12,904.63 is: 17,793.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.03 : 25,598.20 = 12,904.63 : x
  2. Step 2: Convert to fraction form
    18,565.03/25,598.20 = 12,904.63/x
  3. Step 3: Cross multiply
    18,565.03x = 25,598.20 × 12,904.63
  4. Step 4: Simplify right side
    18,565.03x = 330,335,299.67
  5. Step 5: Solve for x
    x = 330,335,299.67/18,565.03
  6. Step 6: Final answer
    x = 17,793.42

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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.