Home / 18,695.12-25,833.48-17,783.96

Finding the Fourth Proportional to 18,695.12, 25,833.48 and 17,783.96

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Solution

The fourth proportional to 18,695.12, 25,833.48 and 17,783.96 is: 24,574.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.12 : 25,833.48 = 17,783.96 : x
  2. Step 2: Convert to fraction form
    18,695.12/25,833.48 = 17,783.96/x
  3. Step 3: Cross multiply
    18,695.12x = 25,833.48 × 17,783.96
  4. Step 4: Simplify right side
    18,695.12x = 459,421,574.98
  5. Step 5: Solve for x
    x = 459,421,574.98/18,695.12
  6. Step 6: Final answer
    x = 24,574.41

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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.